Update changelog
Improve layout of document info drawer
Tweak help contents' HTML source
Remove localized README file
Remove InfoPlist.strings
Localize syntax edit sheet (close #211)
Add YAML framework
Transrate bundled syntax files from plist to YAML
Save syntax style as YAML format (#154)
Use patched YAML Framework
Add migration code to YAML for user styles
Fix reST syntax style
Fix a comment
Convert legacy syntax style file to YAML on import (#154)
Add acknowledgements for YAML Framework (#154)
Update changelog (#154)
Change pod's destination of YAML-Framework
Update acknowledgements files
Refactor CESyntaxManager a bit