Remove unused file
Update .gitignore
Add missing folders with name cache
Megamenu Admin UI

- Toolbar refining
- Fix some minor bugs
Megamenu Admin UI

Fix bug: module content is not wrapped by div.mega-inner
Update language/en-GB/en-GB.plg_system_jat3v3.ini
Update language
Merge pull request #6 from hungdinh/Userguide/Language

Userguide/language