BHV-19913: Don't fire spotlightSelect event while holdpulse event fires.
BHV-19913: Updating documentation.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #971 from enyojs/BHV-19913-anshu099

BHV-19913: Don't fire spotlightSelect event while holdpulse event fires.

Reviewed-By: Derek Anderson (derek.anderson@lge.com)
Integrated-By: Aaron Tam (aaron.tam@lge.com)