Replaced relative URL with absolute URL
Merge pull request #45 from andyzg/relativeToAbsoluteImg

Relative to absolute url in README
Merge branch 'master' of https://github.com/divad12/vim-awesome
Set the content type as application/json
Added api_util, removed unused import
Merge branch 'add_content_type_json' of https://github.com/andyzg/vim-awesome into add_content_type_json