First version
The README is in markdown
mpj is also a hacker
Output specific flags
Move FileUtils after output is converted to String
Convert to actual String
Extra flags tested and working
Enable -o for all non-stdout formats
Pass metadata
Create post subdirs

When using permalinks, subdirs weren't created accordingly. Thanks to Daniel
Driver for reporting this!
Merge branch 'master' of github.com:fauno/jekyll-pandoc-multiple-formats
merge fauno/jekyll-pandoc-multiple-formats into subdir _plugins