Rewrite and improve git backend logic. Fix project movind. Raise exception to prevent unexpected issues

app/views/admin/groups/new.html.haml

@@ -1,3 +1,21 @@
 %h3.page_title New Group
-%br
-= render 'form'
+%hr
+= form_for [:admin, @group] do |f|
+  - if @group.errors.any?
+    .alert-message.block-message.error
+      %span= @group.errors.full_messages.first
+  .clearfix
+    = f.label :name do
+      Group name is
+    .input
+      = f.text_field :name, placeholder: "Ex. OpenSource", class: "xxlarge left"
+       
+      = f.submit 'Create group', class: "btn primary"
+  %hr
+  .padded
+    %ul
+      %li Group is kind of directory for several projects
+      %li All created groups are private
+      %li People within a group see only projects they have access to
+      %li All projects of group will be stored in group directory
+      %li You will be able to move existing projects into group

app/views/admin/groups/show.html.haml

@@ -22,7 +22,7 @@
       %b
         Path:
     %td
-      = @group.path
+      %span.monospace= File.join(Gitlab.config.git_base_path, @group.path)
   %tr
     %td
       %b
@@ -43,10 +43,14 @@
           = link_to 'Remove from group', remove_project_admin_group_path(@group, project_id: project.id), confirm: 'Are you sure?', method: :delete, class: "btn danger small"
         .clearfix
 
-%br
-%h3 Add new project
-%br
+
 = form_tag project_update_admin_group_path(@group), class: "bulk_import", method: :put  do
-  = select_tag :project_ids, options_from_collection_for_select(@projects , :id, :name), multiple: true, data: {placeholder: 'Select projects'}, class: 'chosen span5'
-  .form-actions
-    = submit_tag 'Add', class: "btn primary"
+  %fieldset
+    %legend Move projects to group
+    .clearfix
+      = label_tag :project_ids do
+        Projects
+      .input
+        = select_tag :project_ids, options_from_collection_for_select(@projects , :id, :name_with_namespace), multiple: true, data: {placeholder: 'Select projects'}, class: 'chosen span5'
+    .form-actions
+      = submit_tag 'Add', class: "btn primary"