Added new translation - Polish

Added new .yml, modified other translations and menu.
- Inserted missing double quotation character (") 
- Added "cura di", which I suppose should be there
Add Slovak translation
Merge pull request #11 from jacob87o2/master

Added new translation - Polish
Merge pull request #16 from onurguzel/master

Turkish translation
fix merge conflict
Update views/index.haml
Add Chinese Translation
Add Japanese translation
Added Dutch translation
Added Dutch translation
Added Dutch translation
Added Dutch translation
Added Dutch translation
language integrations
Merge pull request #17 from DesWolf/patch-1

Update views/index.haml
fix merge conflicts
Merge branch 'master' of github.com:ejc/abetterbrowser.org

* 'master' of github.com:ejc/abetterbrowser.org:
  Update views/index.haml
Merge pull request #18 from xyeal/xyeal

Add Chinese Translation
Merge pull request #19 from hail2u/5020e9290ca1d0627776e7d67aa10005c746b2bd

Japanese Translation