Demos: Added navbars to theming test page.
Adds exported black and white svg / png files from grunticon
SVG icons: ui prefix for classes, icons in pseudo element, ui-icon-alt instead of -white and -black suffix.
Icons: Removed icon CSS files from icons-png folder.
Removed old icon sprites.
data PNG icons: ui prefix, icons in pseudo element, ui-icon-alt instead of black/white suffix.
fallback PNG icons: ui prefix, icons in pseudo element, ui-icon-alt instead of black/white suffix.
Theme: Updated icon CSS.
Icons: Increased icon background disc size.
Icons: Updated icon preview page.
Renamed icon classes and files.
Moved icon CSS files out of subfolder. Updated path to fallback PNG icons. Added missing search icon url. Updated delete icon filename.
Updated default icons from arrow to carat.
Removed old font icon test pages.
Moved Grunticon preview and loader.txt to demo center.
Revert "Icons: Increased icon background disc size".

This requires changes in structure CSS and we might want to tweak the disc style. Better to do this all at once after we completed the Grunticon implementation.
Included icons in jquery.mobile.css.
Updated Grunticon Loader text file.
Theme: Added missing and removed superfluous checkbox and radio icon classes.
Demos: Icon test page.