added test scenarios-6,7,8,9,10,11
Renamed all test files and modifed code to address comments
added intransaction block for push-replication test
Removed unnecessary code
added intransaction block for doc revisions
Fixed a bug in DeleteDocs test
added view and reduce query tests
combined map and reduce queries into one function
added xcode project, and other modified files
removed Test13
Removed reference for test_13 and added code to address comments made