Merge pull request #664 from bhariharan/unstable

Merge 'master' into unstable
Adding SmartSyncNetworkManager piece
Merge pull request #665 from bhariharan/smart_sync

Adding SmartSyncNetworkManager piece
Adding cache manager implementation
Merge pull request #666 from bhariharan/smart_sync

Adding cache manager implementation
#652: Implementing method connection:willCacheResponse: of NSURLConnectionDataDelegate protocol to not cache the user data.
Fixing typo…

NSURLConnectionDataDelegate was duplicated.
Merge pull request #667 from mguillet/unstable

#652: Do not cache user data.
Do not cache user data
Merge pull request #668 from bhariharan/master

Do not cache user data
Merge branch 'master' into unstable