Merge pull request #11 from wick-ed/master

added anchor functionality
Merge pull request #12 from wick-ed/master

bugfix: wrong config loading sequence
Merge pull request #13 from wick-ed/master

adapted to github api
Merge pull request #14 from wick-ed/master

bugfix: altered image content
added client side error handling
added link conversion
bugfix: non-md files do not show in navigation anymore