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.
Updated holdPulseConfig API terminology to be more accessible.
Merge branch 'master' of github.com:enyojs/enyo into GF-58381-aarontam-2

Conflicts:
	CHANGELOG.md
Merge pull request #648 from enyojs/GF-58381-aarontam-2

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