1. connect build with stack persistence on redis
remove .delay from init_build_process and checkout_build_process

they blow up trying to read from non-existent stdin in
fabric.io.input_loop
add RedisBackend and change StackOperatorRedis to use it
add preliminary REST api
tasks rewrite, build in one task, fabric-celery fix
preliminary dashboard
remove old handlers, build & stack
build in process (old celery), stack package versioning, dashboard
RedisBackend get/list package and API endpoint
copy stack packages, dashboard, minors
change stack packages structure to {name: version}
stack page with package building, added branch support
improved api responses and messages
added detail option to listing stacks
minor template changes
Merge pull request #2 from eguven/redis-persistence

Redis persistence