Adding server context for v12 servers along with mock test framework and some tests.
Addressing code review comments
Adding a test playback file.
Adding additional tests.
Adding some additional checks for collation name.
Merge branch 'dev' of https://github.com/azure/azure-powershell into dev-tsql
Updating version numbers for 0.8.12 release
Merge pull request #37 from markcowl/release-0.8.12

Updating version numbers for 0.8.12 release
Fixing some unit tests.
Merge pull request #38 from akromm/dev-tsql

Add server v12 support to sql auth.
Merge branch 'release-0.8.12' of https://github.com/Azure/azure-powershell into dev