use the local scheduler when assigning timestamps
Merge pull request #150 from akavache/use-the-right-scheduler-yo

use the cache's scheduler when working with datetimes
Rename TestBlobCache to InMemoryBlobCache.
Rename everything.
Make CacheEntry similar to CacheElement.
Add ExceptionHelper.
Make InMemoryBlobCache implement IObjectBlobCache.
Remove Http.
Return IEnumerable<T>, implement IObjectBlobCache.
Fix contract.
Add Serialize/Deserialize methods.
Fixup contract.
Fixup contracts.
Use exceptionhelper.
Not really WinRT anymore.
Fixup tests and contracts.
Add CacheIndexEntry back for Deprecated.
Remove this ServiceProvider stuff.
Fix CommonAssemblyInfo missing from Sqlite3.