issue #171: Adjust template box style to avoid text overlapping

When using Kimchi in Portuguese (Brazil) the template box displayed distorted
because the brasilian word is longer than US one.
See: https://f.cloud.github.com/assets/4921718/1218592/f2b73ba2-26bc-11e3-87cb-d45e193af3df.png
So make the height box fits the size of its content.

Signed-off-by: Aline Manera <alinefm@br.ibm.com>
Issue#93 UI Not updated after deleting the last guest (fix)

Defect was caused by the Guests JS only updated the UI is it git back
a non-empty result. The VM was deleted, but the response has 0 length when there are no VMs defined.

JS updated to update the UI as long as the response textStatus indicates "success".

Signed-off-by: Adam King <rak@linux.vnet.ibm.com>