Show BS Tooltips on disabled GitLab export button

app/views/projects/new.html.haml

@@ -78,7 +78,7 @@
                   - if git_import_enabled?
                     = link_to "#", class: 'btn js-toggle-button import_git' do
                       = icon('git', text: 'Repo by URL')
-                .import_gitlab_project
+                .import_gitlab_project.has-tooltip{ data: { container: 'body' } }
                   - if gitlab_project_import_enabled?
                     = link_to new_import_gitlab_project_path, class: 'btn btn_import_gitlab_project project-submit' do
                       = icon('gitlab', text: 'GitLab export')
@@ -110,6 +110,7 @@
 
 :javascript
   var importBtnTooltip = "Please enter a valid project name.";
+  var $importBtnWrapper = $('.import_gitlab_project');
 
   $('.how_to_import_link').bind('click', function (e) {
     e.preventDefault();
@@ -126,7 +127,7 @@
   });
 
   $('.btn_import_gitlab_project').attr('disabled', $('#project_path').val().trim().length === 0);
-  $('.import_gitlab_project').attr('title', importBtnTooltip);
+  $importBtnWrapper.attr('title', importBtnTooltip);
 
   $('#new_project').submit(function(){
     var $path = $('#project_path');
@@ -136,11 +137,11 @@
   $('#project_path').keyup(function(){
     if($(this).val().trim().length !== 0) {
       $('.btn_import_gitlab_project').attr('disabled', false);
-      $('.import_gitlab_project').attr('title','');
-      $(".flash-container").html("")
+      $importBtnWrapper.attr('title','');
+      $importBtnWrapper.removeClass('has-tooltip');
     } else {
       $('.btn_import_gitlab_project').attr('disabled',true);
-      $('.import_gitlab_project').attr('title', importBtnTooltip);
+      $importBtnWrapper.addClass('has-tooltip');
     }
   });