WIP
Fix tests broken by Ruby 2.0.0 using timecop.

Conflicts:
	.travis.yml
	Appraisals
	Gemfile.lock
	gemfiles/rails3.gemfile
	gemfiles/rails3.gemfile.lock
	gemfiles/rails31.gemfile
	gemfiles/rails31.gemfile.lock
	gemfiles/rails32.gemfile
	gemfiles/rails32.gemfile.lock