GF-58381: Fix issue with small amount of pointer movement stopping holdpulse events

Enyo-DCO-1.1-Signed-off-by: Aaron Tam aaron.tam@lge.com
Removed unnecessary assignment when using mixin on holdPulseConfig.
- Updated CHANGELOG.
- Assign event’s configureHoldPulse to a function on gesture to prevent unnecessary garbage collection.

Conflicts:
	CHANGELOG.md
Updated holdPulseConfig API terminology to be more accessible.

Conflicts:
	CHANGELOG.md
Merge branch '2.3.0-release-candidates' of github.com:enyojs/enyo into GF-58381-aarontam-2-rc

Conflicts:
	CHANGELOG.md
Merge pull request #652 from enyojs/GF-58381-aarontam-2-rc

GF-58381: Enable configurability of holdPulse