Merge pull request #1389 from pjackson28/master

Added smartphone and tablet SCSS files to Grids
Merge pull request #1390 from pjackson28/master

Fixed RTL mega menu clipping issues identified in #1383
Merge pull request #1391 from pjackson28/master

Cleaned up theme working example index pages
Code cleanup of Grids smartphone CSS and addition of increased specificity for float override and blockquotes.