admin: Show current place in navbar properly

Fix apyrgio/synnefo#122
admin: Update modal verification

Use action name instead of OK and remove verification message.
The only thing left to close the apyrgio/synnefo#127 issue is to move
the buttons to the left and right corners of the modal.
apyrgio: Update VM ID filter

Make the filter handle the server prefix, if given.

Fix apyrgio/synnefo#138
admin: Rename "Release suspension" to "Unsuspend"

Fix apyrgio/synnefo#146
Merge branch 'feature-admin-0.16-issues' into feature-admin