Add zh-Hans first.

Localized some files. To be continued...
Fix % literal highlight on Ruby style (close #286)
Update release notes (#283)
Add ".Rprofile" to defaault file mapping for R
Add "BibTeX" syntax style
Remove "eRuby" syntax style
Translate Japanese file names to English
Improve guidance of sample scripts
Remove eRuby from syntax mapping
Add "js" extension to CotEditor scripting type (close #170)
Update document about scripting
Update cocoapods to v0.35.0
Highlight shebang as comment on JavaScript style
Fix app could crash after closing split view (fix #292)
Refactor createBugReport: method
Fix contents proprty on AppleScripting
Compile internal AppleScript on build
Update Podfile.lock
Update version number and release date
Merge branch 'release/2.0.1' into develop