Revert "fixing test and server conflict for memcache"

This reverts commit 0a92937c6e53be0f4d7bd85767ba757bf1947d56.
Revert "removing default queryset cache --experimental"

This reverts commit 33506fa1d404b513ff9115ee3d590b68dcf6225e.
Revert "adding johnny cache -- experimental"

This reverts commit eeb99b13e8b651aa204c8747d3e5372ffecfb016.