Rename Trove create database dialog

To ensure consistency with the rest of the Trove screens and CLI,
and to be consistent with other OpenStack components we are renaming
the Trove Launch Database dialog to be Launch Instance

Changed the name of the dialog and references to Database Instance
in the dialog

Change-Id: I07e87c1945da4c5355f03a034f1649a546e0a192
Closes-Bug: #1324616
Run the integration tests headlessly

This will make it easier to run them on the gate.

Change-Id: I0cd4d440687c63220ea3f794756adb441a10fa8d
Closes-Bug: #1355186
Imported Translations from Transifex

Change-Id: Idd279d6f633c9be00b1f01d253f63c28221f8f5b
Merge "Rename Trove create database dialog"
Merge "Imported Translations from Transifex"
Merge "Run the integration tests headlessly"