Implemented account management api key authentication.
Extended IsAuthenticated service method to include both cookie and api key authorization.
Change-Id: I6f2d01fdc6115cb860f2e49c74980a39155afe7e
Added new projectaccounting query to get project's single bucket usage rollup.
Added new service method to call new query.
Added implementation for IsAuthenticated method which is used by new generated API.
Change-Id: I7cde5656d489953b6c7d109f236362eb465fa64a
Added a feture flag which will be used to indicate if new generated console api is used.
Fixed some comments from previous PR.
Change-Id: Ice31c998b0b347028a491c971a648fd1269bfd49