add all_tenants option to allow admin get all LBs

Change-Id: Iae6a13b0b7a15303ad45022be854cbc5d69a2c57
ignore nozzlerc/nozzlerc copy from nozzlerc.sample

Change-Id: Id989bf1264a156b4e4e164d1732dc7dfb0f26f1f
add created_at and updated_at field in result.

Change-Id: I07cc8584e998dbe1bb711708f36f4aa1002bda2d
fix a bug in nozzle client

there is some bug in nozzle-client lb-list that column name
do not consistent with the result becase columns are not add by
order.

Change-Id: I9faf5393c6bfd31ccf65580a93599666e4947999
add user_id and project_id in list results.

Change-Id: If4d640651b20da97ac834ed95f2fbb61f12a2740
make rabbitmq notification configurable.

rabbitmq notification main for billing which is not needed in
stacklab. Make it configurable so that we can disable rabbitmq
notification on our need.

Change-Id: I308b50d2e378b1cb7189726b234f560feabeef8e
enable admin tenant to delete other tenant's load balancer

Admin tenant can not delete other tenant's load balancer now because
nozzle-server has a normal context. Pass tenant's premession into
nozzle-server's context in this patch so that admin can delete
other tenant's load balancer.

fix a bug in nozzle-client too.

Change-Id: I4b128eb023d773fe637fcf3e6ab82a2df7a8f7bf
return all informantion on create load balancer.

Change-Id: Ib517cfc75a5e074395a93f447abd7c56a97056de
replace nozzle-client by setuptools's entry point

Change-Id: I747a3aa84ef075fc7b64ae8a2aefea11d807c19f
Merge branch 'alpha' of https://github.com/ljjjustin/nozzle