Conversion for moon.Drawer handle to use Moonstone Icon font instead of image assets.
Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Removed old, now unused, `num-arrow` css class.
Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Cleanup of Drawer handle and related CSS

Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Merge pull request #1379 from enyojs/BHV-10518-blakestephens

BHV-10518: Converted Drawer handle to use CSS and icon-font

Looks good!

Reviewed-by: Aaron Tam (aaron.tam@lge.com)