GF-38613: Add SVG image

To prevent copyright issue in image usage, we provede globally
accessible SVG image.

Enyo-DCO-1.1-Signed-off-by: David Um <david.um@lge.com>
Use enyo.Image.placeholder as static value

Previous implementation wouldn't work properly because enyo.Image is usually
a deferred kind, so setting a property directly on the constructor
will actually set it on the wrong item.  Also rewrote comment to make
its usage clearer.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
fix issues with spotlight-able nodes, properly re-attach/claim nodes and unique id's to reused control's even when flyweighting

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
appease jshintlord

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
ensure that the flushed queue is cleared

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
Merge pull request #465 from enyojs/GF38376-cole-davis

Fixes for GF38376

Reviewed-By: Ben Combee (ben.combee@lge.com)