Updates to breeze.d.ts according to changes in Breeze 1.3.6:
-Added setDetached method to EntityAspect
-Changed the signature of EntityManager.importEntities to accept either a string or a JSON object.
Updated the durandal router plugin:
- Added definition for the guardRoute 'abstract' router function.
Merge pull request #689 from teves-castro/master

Updates to breeze.d.ts and durandal.d.ts.