fixed Double reference to the same gems;
updated all gems to latest versions;
specified controlled ruby environment for development based on RVM and dedicated gemset "clouds"
updated list of ignored items
- added / reorganised gemspec settings;
- specified gem versions for 3rd parties that can be updated in case of hot-fixes or minor changes;
bumped version
linked new rake tasks that allow publishing this gem on rubygems.org - "rake release"
updated readme about easy way how to install that gem;
Merge pull request #2 from bogwro/master

fixes & refactoring + possibility to easily publish to rubygems.org