make usage of #as_summary_json more consistent

Change-Id: I05146f0dc9382c4b9a9de987cc8f5d27f63aae53
change resource pool to use Fog gem

The Fog gem provides all the indirection for local storage (over nfs) or s3
access and replaces the old FilesystemPool.

Change-Id: Ia5ede90e8fd6cc9729eb87464d1cc0017f2d1c50
change AppPackage to use Fog Gem

The Fog gem provides all the indirection for local storage (over nfs) or s3
access.

Change-Id: I4877f04fa065c641b1b1d6021c3d1e6170ba2188
change droplet storage to use the Fog gem

Note: this really needs to be refactored.  There is non-trivial duplication
with the AppPackage code, and worse, the legacy staging api implementation is
managing storage now.  It really always was, but it was less in your face
before.

Change-Id: Id72b3f7b513cc05170f6e7e76273ae61501bc764
improved stager debugging

Change-Id: I6a77a6a4d0ede0b4a054070d4a6247e5368596f0
remove user_guid from provision request

The services code in cf-release hasn't been bumped to support this,
and it was causing all service provisioning to fail.;w

Change-Id: I60172bf3f47011120146e02b468bc50f9ce9c4e5
add min_size policy for the resource pool

Change-Id: I7a2e03c7dd2100d8cd5254997c086f16b44efae0
Send provider in gateway provision request (with bump to vcap-common)

 - git shortlog 055964f622..9267b079b1
    Harshawardhan Gadgil (1):
      Add (optional) provider to GatewayProvisionRequest

Change-Id: I2aba012badd16bc1a81c1598f65d041e94b38da3
Add spec to ensure basic information in GW provision request

Change-Id: I6c6b0de40e87132aec2f240b2e435b6b2e1c91ef