Merge pull request #452 from Diullei/master

jquery.tagsmanager - Corrected test errors
Update durandal.d.ts
Merge pull request #455 from latticework/master

To resolve issue #453
Included Mocha definition.
Merge pull request #456 from kazimanzurrashid/master

Included Mocha
added definitions for durandal/widget module.
Merge pull request #457 from rnikitin/master

added definition to "durandal/widget" module.
durandal: Fixed introduced bug at pull/451