Fix branch in db migration scripts

Fixes bug 1186113

Change-Id: I1ab661a8767004489226c8107b84fef05a3e34cc
Imported Translations from Transifex

Change-Id: I61bfcf2c69002b8504bbc0f9684ced94fde16dce
Add extra details in BigSwitch config

Add some details to some of the BigSwitch configuration options.

The doc team will soon be generating documentation for configuration
options by extracting it directly from the source code help strings,
which is one of the motivations for adding this detail.

Change-Id: I7c694212bee29ac78135a4436633a202a6bba4a2
Add *.swo/swp to .gitignore

I noticed these files weren't being ignored when I accidentally uploaded
one here: https://review.openstack.org/#/c/30648/3

Fixes bug: 1187600

Change-Id: I8570f797e2cc7420dc8a578a9cf68741631cd9f6
Merge "Add extra details in BigSwitch config"
Merge "Fix branch in db migration scripts"
Merge "Imported Translations from Transifex"