Tag warden as version 1.3
Don't try to read a file which may not exist
Fix bugs checking for updates to a jail and showing MB usage on disk
- Improve PKGNG usage when checking for updates to jails
- Fix a bug converting jails to new meta format, use unique IDs
Fix some variable names preventing us from creating new jails
When user doesn't supply a netmask, let us set a default
- Number of changes to Warden GUI to work with updated backend
  - Allow IP & IPV6 address to be set during creation
  - Enable option to disable boot-strapping PKGNG / PCBSD-Utils
  - Fix up main dialog to understand new "jails" format