Avoid refreshing firewall rules unnecessarily.

Adds a parameter to refresh_firewall allowing an array of ports to
be passed.  If an array is passed then the firewall will be refreshed
only for those ports.  If not passed, it will still refresh all
ports as it did before.

Change-Id: I539a135dbc3861e31cbb5c69cef0ff8c0f834527
Fixes: Bug #1202328
Merge "Avoid refreshing firewall rules unnecessarily."
Add help strings to Config Options

Add an help string to the config options

Change-Id: I9248a335db961aa5d776a545dcfba0ddb0f08bb2
Imported Translations from Transifex

Change-Id: Idb25d3056791dced787695f8dea4720b8652235a
Merge "Imported Translations from Transifex"