Create jquery.colorbox-sr.js

serbian translation
Merge pull request #528 from djevrek/patch-1

Create jquery.colorbox-sr.js
Update README.md

compatibility typo fix
Merge pull request #531 from coliff/patch-1

fixed typo
Add Chinese Traditional (zh-TW)
Merge pull request #536 from atans/master

Add Chinese Traditional (zh-TW)
Greek language translation