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.
Added definitions for JSZip library
Merge pull request #457 from rnikitin/master

added definition to "durandal/widget" module.
durandal: Fixed introduced bug at pull/451
Merge pull request #459 from Diullei/master

durandal: Fixed introduced bug at pull/451
renamed tests
Merge pull request #458 from mzeiher/master

Added Definitions for JSZip library
Merge pull request #1 from borisyankov/master

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