Merge pull request #207 from WindowsAzure/dev

Merge dev into master
Add pointers to Media Services .NET client
Merge pull request #213 from mohitsriv/master

Add pointers to Media Services .NET client
Merge pull request #219 from WindowsAzure/dev

Dev
Merge pull request #221 from WindowsAzure/dev

Merge dev into master
Merge pull request #222 from WindowsAzure/master

Merge master into preview