Adding all possible states in the doc and clarifying what keys method does.
Removing lxc daily ppa from travis build for ensuring that the ubuntu package is used.
Adding rdoc dependencies for ruby 1.8
Merge branch '1.1.x' of https://github.com/NiR-/ruby-lxc into NiR--1.1.x
Merge branch 'NiR--1.1.x' into 1.1.x