Fixes:  Cache not cleared correctly after update and plugins not loaded when starting simulator
Merge pull request #537 from Icenium/fatme/cherrypick-simulator-cache-fix

Fixes:  Cache not cleared correctly after update and plugins not loaded ...
Bump version to 2.6.1
Merge pull request #538 from Icenium/fatme/bump-version-2.6.1

Bump version to 2.6.1
Handle error that is emitted from process.nextTick
Merge pull request #542 from Icenium/fatme/handle-error-that-is-emitted-from-process-next-tick

Handle error that is emitted from process.nextTick
Update common lib
Merge pull request #544 from Icenium/fatme/update-common-with-merge-sha

Update common lib with merge sha
Hotfix update
Fix racing issue with fibers
Merge pull request #547 from Icenium/fatme/fix-racing-issue-with-fibers

Fix racing issue with fibers
Merge pull request #546 from Icenium/ab-261

Hotfix update
Merge branch 'release' into fatme/merge-release

Conflicts:
	lib/commands/simulate.ts
	lib/common
	test/stubs.ts
Fix common sha
Merge pull request #548 from Icenium/fatme/merge-release

Merge release
After installing patch the owner of ~/.appbuilder-cli directory on *ix OSes

This fixes installing with sudo.

See http://teampulse.telerik.com/view#item/277393 - Support Node.js installed with sudo on Mac and Linux