Remove "controller" property refs from kind documentation

Since we have removed the automatic "controller" property
of controls and started referring to "collection" instead, some
docs needed a slight update.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #541 from enyojs/docs-remove-controller-refs

Remove "controller" property refs from kind documentation

Reviewed-By: Cole Davis cole.davis@lge.com