summernote/summernote — pull request #789 by lqez (2014-12-10 03:14:16+00:00)
Title: Fix ugly minus margins for form-group of dialog in form-horizontal

@feryardiant made a patch for https://github.com/summernote/summernote/issues/788 in https://github.com/summernote/summernote/pull/500, but it was closed not merged.
So I wrote it again.