add ec2 tests

Change-Id: Iced3eb8ca81c3b067496c3683f322b6e1dedec2a
Add Image v2 create command

* image create
* tests for v1 and v2 image create

Change-Id: I990dd84bf1a0cfeb368089adbea4010391647701
Update oslo incubator bits

* also remove cfg

Change-Id: I0ae9b9dc72ec88ed64a8c353b9c51734ee2cd24c
Sync with global requirements

Change-Id: Ie47804617ab9a11a91efd96c7989f0207e47e120
Add token create subcommand for identity v2 api

Implements token create subcommand which is an equivalent of keystone
token-get command. Original "wrap" parameter for keystone token-get is
not implemented yet due to cliff Bug #1269299

This is a part of: blueprint add-identity-token-support

Change-Id: I9e4de93306f2f5959717b5219621da03961524d8
Remove copyright from empty files

According to policy change in HACKING:
http://docs.openstack.org/developer/hacking/#openstack-licensing
empty files should no longer contain copyright notices.

Change-Id: Iba09a00f24dfbd1cd03c1c9f70ea216788e64d93
Closes-Bug: #1262424
Merge "Add token create subcommand for identity v2 api"
Remove remaining print statements

I think these are the last two stragglers, including debugging lines

Change-Id: Ic3dd98480211d0f7d3cc951bec5cd54f902a101f
Merge "Remove remaining print statements"
Fix keyring issue where there were name space problems

The import of keyring conflicted with a string named keyring

Change-Id: I7416ea1cf453a126dd03dba8bc2900cad35ed2da
Closes-bug: #1271987
Merge "Remove copyright from empty files"
Merge "Fix keyring issue where there were name space problems"
Merge branch 'discovery' into dt-test
Merge branch 'oslo-clean' into dt-test
Merge branch 'image-v2-v2' into dt-test
Merge branch 'identity-ec2-tests' into dt-test