Update Greek locale
changelog update
Update zh-CN localization
Update shortcuts list in readme
Use Firefox 24+ native console API
Merge pull request #218 from lydell/native-console

Use Firefox 24+ native console API
Merge pull request #215 from lydell/develop

Update shortcuts list in readme
Update zh-CN localization
Merge branch 'zh-CN' of github.com:mozillazg/VimFx into zh-CN
Add arrow keys to key-utils.coffee
Merge pull request #230 from aexaey/develop

Add arrow keys to key-utils.coffee
Merge pull request #212 from sirodoht/develop

Update Greek locale
Merge pull request #214 from mozillazg/zh-CN

Update zh-CN localization
navigate previous and next links
refactoring code
Add command descriptions
add pattern options in preferences
get unicode preference
Merge branch 'develop' of github.com:akhodakivskiy/VimFx into develop
Bump minimum requred Firefox version to 23. Closes #228