Added a SyncGatewaySession replication test
Added a SyncGatewaySession replication test

This test is to test a custom authentication with setting _session SyncGatewaySession cookie. The test tests against a continuous pull replicator to make sure that the set cookie is passed to the web socket.

#865

pellekrogholt/couchbase-lite-ios,lordkev/couchbase-lite-ios,amco/couchbase-lite-ios,tomco/couchbase-lite-ios,brendand/couchbase-lite-ios,brendand/couchbase-lite-ios,amco/couchbase-lite-ios,lordkev/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,brendand/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,amco/couchbase-lite-ios,alfared/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,alfared/couchbase-lite-ios,amco/couchbase-lite-ios,couchbase/couchbase-lite-ios,lordkev/couchbase-lite-ios,amco/couchbase-lite-ios,tomco/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,tomco/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,alfared/couchbase-lite-ios,alfared/couchbase-lite-ios,amco/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios,ipmobiletech/couchbase-lite-ios,couchbase/couchbase-lite-ios,pellekrogholt/couchbase-lite-ios,amco/couchbase-lite-ios,lordkev/couchbase-lite-ios,tomco/couchbase-lite-ios,brendand/couchbase-lite-ios,brendand/couchbase-lite-ios,gotmyjobs/couchbase-lite-ios