Stop irratating pep8 error in test_clouddatabase.py

If you don't have pyrax installed you keep getting this.

Change-Id: I87990d7ce84e0752228d6214696a8c9b03df7ff2
Add a link method to Thread

This will allow users to link their own callback functions to a
greenthread.

SHA1 of oslo patch: 9d3c34b59ac2e0246798c6db24b32c99f4196bd1

Change-Id: I5284ec0ccdbe093e6afff6511b19cf66f9356523
Ensure apt-get installs do not prompt user input

Set DEBIAN_FRONTEND to noninteractive and add dpkg options to ensure
apt-get installs do not prompt for input and cause the stack-create to
fail.

Closes-Bug: #1245899

Change-Id: I294783fb565b854143bc8a5d15834d8d88ad1a70
Merge "Stop irratating pep8 error in test_clouddatabase.py"
Merge "Add a link method to Thread"
Merge "Ensure apt-get installs do not prompt user input"
Imported Translations from Transifex

Change-Id: Ia4f60b434557cae0f48190978b7b2f7130feed6b
Implement volume tags as metadata

I have created the wordpress with ebs and confirmed that
cinder show <id> displays the metadata correctly.

Change-Id: I84f394bbd3748884deca64630cdfee7ac1bb9786
Closes-bug: #1224339