fixing a few issues after testing imports

lib/gitlab/bitbucket_import/project_creator.rb

@@ -22,8 +22,11 @@ module Gitlab
           import_source: "#{repo["owner"]}/#{repo["slug"]}",
           import_url: "ssh://git@bitbucket.org/#{repo["owner"]}/#{repo["slug"]}.git",
         ).execute
+
         import_data = project.import_data
         import_data.credentials.merge!("bb_session" => session_data)
+        import_data.save
+
         project
       end
     end

lib/gitlab/fogbugz_import/project_creator.rb

@@ -24,13 +24,10 @@ module Gitlab
           import_url: Project::UNKNOWN_IMPORT_URL
         ).execute
 
-        project.create_import_data(
-          credentials: {
-            'repo' => repo.raw_data,
-            'user_map' => user_map,
-            'fb_session' => fb_session
-          }
-        )
+        import_data = project.import_data
+        import_data.credentials.merge!('fb_session' => fb_session)
+        import_data.data = { 'repo' => repo.raw_data, 'user_map' => user_map }
+        import_data.save
 
         project
       end

lib/gitlab/google_code_import/project_creator.rb

@@ -24,12 +24,9 @@ module Gitlab
           import_url: repo.import_url
         ).execute
 
-        project.create_import_data(
-          data: {
-            "repo"      => repo.raw_data,
-            "user_map"  => user_map
-          }
-        )
+        import_data = project.import_data
+        import_data.data = { 'repo' => repo.raw_data, 'user_map' => user_map }
+        import_data.save
 
         project
       end