Fixed issue #932.
Removed ' (WET)' from Arabic working examples to avoid RTL bugwith brackets (unrelated to WET).
Fixed horizontal scroll bar issue in RTL pages.
Resolved merge conflicts.
Fixed parsing issue in _mixins.scss.
Fixed parsing issue in _mixins.scss.
Fixed remaining merge conflicts and JSHint errors.
Optimized and fixed wb-sec-sup support.
Fixed RTL support in IE7 and IE8.
Extended RTL support to WET, GC Web Usability and GC Web usability intranet themes.
Fixed broken mega menu data paths
Added 23 more languages to i18n

The content is English for now.
Merge pull request #937 from atlantiswebconsulting/master

Fixed broken mega menu data paths
Added i18n translations for Chinese (zh), Chinese simplified (zh-Hans), Dutch (nl) and Estonian (et).
Removed dir='rtl' from HTML file.
Merge branch 'v3.0'
Fixed breadcrumb images in IE7/8 RTL display.
Several RTL fixes.
Removed dir='rtl' instances used for testing purposes.
Merge branch 'v3.0'