v0.8.04 - Minor bug fix. Minor feature. Minor UI changes.

[0.8.03] - Minor bug fix: "Presets" table now shows a message when there
are no presets stored instead of showing an empty table.
[0.8.04] - Minor feature: "Add zone" option added to "Zones" - user
prompted to pick camera which then launches a colorbox to create a new
zone. Minor UI changes - "Zones" child menu entries changed to match the
same format as the "Cameras" menu.