improve wording for projects dashboards

server/sonar-web/src/main/webapp/WEB-INF/app/views/admin_dashboards/index.html.erb

 
   <%= render :partial => 'list', :locals => {:active_dashboards => @actives.select(&:global?), :group => 'activeGlobal'} %>
 
-  <header class="page-header">
+  <header class="page-header huge-spacer-top">
     <h1 class="page-title"><%= message('dashboard.project_dashboards') -%></h1>
     <p class="page-description"><%= message('dashboard.project_dashboards.description') -%></p>
   </header>
 
   <%= render :partial => 'list', :locals => {:active_dashboards => @actives.reject(&:global?), :group => 'activeProject'} %>
 
-  <header class="page-header">
+  <header class="page-header huge-spacer-top">
     <h1 class="page-title"><%= message('dashboard.shared_dashboards') -%></h1>
     <p class="page-description"><%= message('dashboard.shared_dashboards.description') -%></p>
   </header>
     </tbody>
   </table>
 </div>
-

sonar-core/src/main/resources/org/sonar/l10n/core.properties

 dashboard.error_delete_default=This dashboard can't be deleted as long as it's defined as a default dashboard
 dashboard.error_unshare_default=This dashboard can't be unshared as long as it's defined as a default dashboard
 dashboard.global_dashboards.description=These dashboards are displayed to anonymous users or users who have not customized their dashboards.
-dashboard.project_dashboards.description=These dashboards are displayed to anonymous users or users who have not customized their dashboards.
+dashboard.project_dashboards.description=These dashboards are available to anonymous users or users who have not customized their dashboards.
 dashboard.shared_dashboards.description=These dashboards can be added to default dashboards.
 dashboard.username.default=[SonarQube]
 dashboard.delete_confirm_title=Delete dashboard