fixes #380: column reordering not working if pinning enabled
Merge branch 'inin-v2.0.7' of https://github.com/InteractiveIntelligence/ng-grid into inin-v2.0.7
Merge branch 'inin-v2.0.7' of https://github.com/InteractiveIntelligence/ng-grid into inin-v2.0.7

Conflicts:
	src/classes/eventProvider.js