Add new template combobox to warden GUI, which will allow users to pick from other FreeBSD version/arch templates
Add support to enable / disable VNET and related options via warden GUI
Remove + button for now
Display error if we fail to delete a jail template
If user gives jail template with spaces in the name, correct it
Show DONE when removing a template
Fix a bug not letting us pass when IPV4 address is disabled in the GUI
Add the new Template UI manager to Warden, Now we can create / remove
jail templates, and during jail creation, pick from them