please when I follow  your instructions we see that the file users.get.js in the aborescence share \ WEB-INF \ classes \ alfresco \ Site-webscripts \ org \ alfresco \ components \ console \ usersgroups and this file does not contain the properties 
that I want to show in the admin console  against the aborescence share \ components \ console include a file: users.js that contains s the properties of the user
   // About section fields
               var firstName = person.firstName,
                  lastName = person.lastName,
                  fullName = firstName + ' ' + (lastName ? lastName : "");
               fnSetter("-view-title", fullName);
               fnSetter("-view-name", fullName);
               fnSetter("-view-jobtitle", person.jobtitle);
               fnSetter("-view-organization", person.organization);
               // biography is a special html field
               var bio = person.persondescription ? person.persondescription : "";
               Dom.get(parent.id + "-view-bio").innerHTML = bio.replace(/\n/g, "<br/>");
               
               // Contact section fields
               fnSetter("-view-location", person.location);
               fnSetter("-view-email", person.email);
               fnSetter("-view-telephone", person.telephone);
               fnSetter("-view-mobile", person.mobile);
               fnSetter("-view-skype", person.skype);
               fnSetter("-view-instantmsg", person.instantmsg);
               fnSetter("-view-googleusername", person.googleusername);
               
               // Company section fields
               fnSetter("-view-companyname", person.organization);
               // build the company address up and set manually - encoding each value
               var addr = "";
               addr += person.companyaddress1 ? ($html(person.companyaddress1) + "<br/>") : "";
               addr += person.companyaddress2 ? ($html(person.companyaddress2) + "<br/>") : "";
               addr += person.companyaddress3 ? ($html(person.companyaddress3) + "<br/>") : "";
               addr += person.companypostcode ? ($html(person.companypostcode) + "<br/>") : "";
               Dom.get(parent.id + "-view-companyaddress").innerHTML = addr;
               fnSetter("-view-companytelephone", person.companytelephone);
               fnSetter("-view-companyfax", person.companyfax);
               fnSetter("-view-companyemail", person.companyemail);
   
I thought that  adding new properties like the same syntax  it will be ok ;here that i have done:
         //news property adding by me
               fnSetter("-view-Matricule", person.Matricule);
               fnSetter("-view-DateDeNaissance", person.DateDeNaissance);
               fnSetter("-view-LieuDeNaisance", person.LieuDeNaisance);
               fnSetter("-view-NomduPere", person.NomduPere);
               fnSetter("-view-NomDeLaMere", person.NomDeLaMere);
               fnSetter("-view-Sexe", person.Sexe);
               fnSetter("-view-SituationMatrimoniale", person.SituationMatrimoniale);
               fnSetter("-view-Telephone", person.Telephone);
               fnSetter("-view-NombreEnfant", person.NombreEnfant);
               fnSetter("-view-Religion", person.Religion);
               fnSetter("-view-ETHNIE", person.ETHNIE);
               
               fnSetter("-view-LieuHabitation", person.LieuHabitation);
               fnSetter("-view-Direction", person.Direction);
               fnSetter("-view-Service", person.Service);
  and I have added in this file  users.get.html.ftl like that :
               <!– added by me –>
<div class="header-bar">${msg("label.inf")}</div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.matricule")}:</span>
                  <span id="${el}-view-Matricule" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.datenaiss")}:</span>
                  <span id="${el}-view-DateDeNaissance" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.lieun")}:</span>
                  <span id="${el}-view-LieuDeNaisance" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.np")}:</span>
                  <span id="${el}-view-NomduPere" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.nm")}:</span>
                  <span id="${el}-view-NomDeLaMere" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.sexe")}:</span>
                  <span id="${el}-view-Sexe" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.stm")}:</span>
                  <span id="${el}-view-SituationMatrimoniale" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.tel")}:</span>
                  <span id="${el}-view-Telephone" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.cel")}:</span>
                  <span id="${el}-view-Cellulaire" class="field-value"></span>
               </div>
               <div class="field-row">
                  <span class="field-label-right">${msg("label.ne")}:</span>
                  <span id="${el}-view-NombreEnfant" class="field-value"></span>
               </div>
                <div class="field-row">
                  <span class="field-label-right">${msg("label.reli")}:</span>
                  <span id="${el}-view-Religion" class="field-value"></span>
               </div>
                <div class="field-row">
                  <span class="field-label-right">${msg("label.etn")}:</span>
                  <span id="${el}-view-ETHNIE" class="field-value"></span>
               </div>
                <div class="field-row">
                  <span class="field-label-right">${msg("label.telephone")}:</span>
                  <span id="${el}-view-telephone" class="field-value"></span>
               </div>
               <!– –>            
               <div class="header-bar">${msg("label.emp")}</div>
                               <div class="field-row">
                  <span class="field-label-right">${msg("label.dir")}:</span>
                  <span id="${el}-view-Direction" class="field-value"></span>
               </div>
                <div class="field-row">
                  <span class="field-label-right">${msg("label.ser")}:</span>
                  <span id="${el}-view-Service" class="field-value"></span>
               </div>
 according the names I had put in the model by the new property not visible in the user profile information in the admin console.
here the error log
org.springframework.extensions.webscripts.WebScriptException: 03010001 The content node was not specified so the content cannot be streamed to the client: classpath*:alfresco/templates/webscripts/org/alfresco/repository/thumbnail/thumbnail.get.js
    at org.alfresco.repo.web.scripts.content.StreamContent.execute(StreamContent.java:156)
    at org.alfresco.repo.web.scripts.RepositoryContainer$3.execute(RepositoryContainer.java:422)
    at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:450)
    at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:491)
    at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:529)
    at org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:341)
    at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:378)
    at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)
    at org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:132)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
Thanks you for your help my is exactly 4.3.a