Import locales from Brief 1.6.2
Renamed:
hu-HU -> hu
ro-RO -> ro
ru-RU -> ru
sk-SK -> sk
(as in Firefox itself)
Sync options.dtd with changes in en-US locale
Sync shortcuts.dtd with changes in en-US locale
Sync brief.properties with changes in en-US locale
(I hope, all OK here...)
Sync brief.dtd with changes in en-US locale
Sync firstrun.dtd with changes in en-US locale
Sync options.properties with changes in en-US locale
Sync file structure + cleanup + some fixes
Use short locale names
Register locales in chrome.manifest
Merge pull request #27 from Infocatcher/locales

Import locales from Brief 1.6.2