Support for resizing a trove instance

Added menu item and dialog to allow the
user to select a new flavor for their
trove instance

Change-Id: I5ef42067887e1f1f1f5ee3224df7b6391be0a375
Implements: blueprint trove-resize-instance-dialog
Fixup trove screens for Bootstrap 3 changes

Changed row-fluid
Selected new icons in a few places
Cleanup html for details pages
Added default button to resize dialog

Change-Id: I80fbccf77e6a27a51f84dd55cab7944f23d38d66
Closes-Bug: #1350514