[closes #121] removed duplicate flash msg in create user page

tracim/tracim/templates/admin/user_getall.mak

                                         <input type="checkbox" class="checkbox" checked name="send_email" id="send-email"> ${_('Send email to user')}
                                       </label>
                                     </div>
-                                        
+
                                     <span class="pull-right" style="margin-top: 0.5em;">
                                         <button type="submit" class="btn btn-small btn-success" title="Add first comment"><i class=" fa fa-check"></i> ${_('Validate')}</button>
                                     </span>

tracim/tracim/templates/master_authenticated_left_treeview.mak

 <%def name="content_wrapper()">
     <div class="container-fluid">
         <div class="row-fluid">
-        
+
             ## SIDEBAR LEFT
             <div id="sidebar-left" class="fixed-width-sidebar col-sm-3 sidebar" >
                 <div class="btn-group" style="position: absolute; right: 2px; top: 4px; ">
 
             <div>
                 ${self.TITLE_ROW()}
-                ${TIM.FLASH_MSG('col-sm-8 col-sm-offset-3')}
                 ${self.body()}
             </div>
         </div>
     </div>
     ${self.REQUIRED_DIALOGS()}
-    
+
     ###########################################
     ##
     ## GENERIC STUFF LIKE SCRIPTS
               if (sidebar.hasClass('fixed-width-sidebar')) {
                 sidebar.removeClass('fixed-width-sidebar')
                 sidebar.removeClass('col-sm-3');
-                
+
                 buttonIcon.removeClass('fa-angle-double-right');
                 buttonIcon.addClass('fa-angle-double-left');
               } else {