added something I accidently removed
Added support for default product listings
Updated dasein-util dependency
Altered the structure of machine images to emphasize static factory constructors.
Added 2013.02 release to Javadoc
Fixed a bug with region/account caching
Added support for specifying the kind of IP traffic over subnets
Added meta-data indicating whether a VLAN or subnet allows multiple kinds of traffic (dual IPv4/IPv6)
Refactored construction of subnet objects
Added support for allocation pools
Added a method to set supported IP traffic
Re-added a method that was removed for setting tags
Updated overview document
Added build() methods to all create options