Move "Start new merge request" checkbox closer to New branch field

app/assets/javascripts/new_commit_form.js.coffee

@@ -3,7 +3,7 @@ class @NewCommitForm
     @newBranch = form.find('.js-new-branch')
     @originalBranch = form.find('.js-original-branch')
     @createMergeRequest = form.find('.js-create-merge-request')
-    @createMergeRequestFormGroup = form.find('.js-create-merge-request-form-group')
+    @createMergeRequestContainer = form.find('.js-create-merge-request-container')
 
     @renderDestination()
     @newBranch.keyup @renderDestination
@@ -12,10 +12,10 @@ class @NewCommitForm
     different = @newBranch.val() != @originalBranch.val()
 
     if different
-      @createMergeRequestFormGroup.show()
+      @createMergeRequestContainer.show()
       @createMergeRequest.prop('checked', true) unless @wasDifferent
     else
-      @createMergeRequestFormGroup.hide()
+      @createMergeRequestContainer.hide()
       @createMergeRequest.prop('checked', false)
 
     @wasDifferent = different

app/views/shared/_new_commit_form.html.haml

@@ -7,12 +7,11 @@
     .col-sm-10
       = text_field_tag 'new_branch', @new_branch || @ref, class: "form-control js-new-branch"
 
-  .form-group.js-create-merge-request-form-group
-    .col-sm-offset-2.col-sm-10
+      .js-create-merge-request-container
         .checkbox
           - nonce = SecureRandom.hex
           = label_tag "create_merge_request-#{nonce}" do
             = check_box_tag 'create_merge_request', 1, true, class: 'js-create-merge-request', id: "create_merge_request-#{nonce}"
-          Start a <strong>new merge request</strong> with this commit
+            Start a <strong>new merge request</strong> with these changes
 
   = hidden_field_tag 'original_branch', @ref, class: 'js-original-branch'