Marquees now work inside spinners, as well as long text and components.
Spinners may now more easily be centered, and do not apply oppressive positioning rules.
Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>
Merge pull request #1346 from enyojs/BHV-7944-blakestephens

BHV-7944: Marquees now work inside spinners, as well as long text and components.

Looks good!

Reviewed-by: Aaron Tam (aaron.tam@lge.com)