Improve unit tests for python-quantumclient

Add tests for quantumclient.quantum.v2.quota

Partially Fixes: bug #1137783

Change-Id: I62fef9334ac864eda2f980d8ad173c536b2f3b1b
Add a missing command line option: --insecure

This option allows to disable SSL certificates validation in HTTPClient.

Fixes bug 1153715

Change-Id: I2c5123c3b8482a932fa401c56827f1fffe9fa381
add  2.2.0 release note in index.rst file

Bug #1156480

Change-Id: Ib28266a362e76960455509b7a2af57d5315f70df
Merge "add  2.2.0 release note in index.rst file"
Merge "Improve unit tests for python-quantumclient"
Add exception & gettextutils to openstack.common

These 2 modules are useful for cleaning up of the exceptions hierarchy.

Change-Id: I0bb84e1969523be2eea077711acc5702bc63b023
Improve unit tests for python-quantumclient

Add tests for:
quantumclient.shell

Partially Fixes: bug #1137783
Change-Id: Ia6a856cf3c1da67419818ae1693d56f447c2f070
Merge "Improve unit tests for python-quantumclient"
remove remainder argument
Bug #1160203

Change-Id: I01c6aed18ccd7fe61a5ea4562c79d47222175147
Don't query the agent with name

Bug #1160332

Change-Id: I4da1df900ff29f75e11b91186200d7841602bff4
Update --remote-group-id metavar to REMOTE_GROUP

The metavar value for --remote-group-id was left out in the patch
that renamed source_(group_id|ip_prefix) to remote. This patch
renames this instance of SOURCE to REMOTE.

Change-Id: I99d538e1cdc0b29e62b499c9c8ba8b3a31d77f7a
Merge "Don't query the agent with name"
Merge "Add exception & gettextutils to openstack.common"