Merge pull request #1374 from pjackson28/master

Added smartphone and tablet SCSS files to Grids and added columns to WET theme working examples
Merge pull request #1375 from pjackson28/master

Standardized arabic working examples file names
Merge pull request #1377 from pjackson28/master

Fixed WET and Base theme working examples files
Merge pull request #1378 from pjackson28/master

Removed tweak for correcting content area border in RTL display for GCWU theme as it wasn't cross-browser.
Added smartphone and tablet SCSS files to Grids