Merge remote-tracking branch 'origin/master'

Forgotten file

Cleanup

Merge pull request #1 from prologic/migrate_bitcask

Add badge

Provide list of missing flies and list of modified files. Convenient …

…If struct with methods

Remove bitcask dependency, add line tuple version of a hash database …

…(not very omptimized yet)

Or missing destination file helper function

File and bitcask based