added field 'delete on terminate' (launch/volume)

added field 'delete on terminate' in dialog 'launch instance'
when choosing 'boot from volume' as boot source

Change-Id: I06a208afdb5890e97040b1161c5317c9bab29ccd
Closes-Bug: #1316015
Merge "added field 'delete on terminate' (launch/volume)"
In Progress: Capabilities and Requirements widget

* fix rename missed in refactoring

Implements: blueprint glance-image-tagging-ui
Merge branch 'master' of ssh://github.com/ttripp/horizon into poc
Merge branch 'master' of git://git.openstack.org/openstack/horizon into poc