Lock down versions to some version of a workable gemspec and fix rdoc

* Ran tests, they pass
* Was able to install suite with bundler as opposed to dependency hell
* Generated RDoc documentation without a problem
* Remove shoulda gem version specification in test file to gemspec
* Remove requirement of rubygems RE: https://gist.github.com/54177
Merge branch 'fix_gemspecs' of https://github.com/Nitrodist/strongbox

Conflicts:
	Rakefile