Added additional English links to the Arabic working examples in the base theme. Corrected the native Arabic language name in the i18n files.
Added Arabic working examples (with English placeholder text) for the WET theme (for WET v3.1 testing purposes of RTL language support).
Corrected file names of WET theme Spanish and Arabic working examples.
Merge pull request #1370 from pjackson28/master

Fixed and added RTL working examples for Base and WET themes