Unstage .rvmrc
Remove locales
Do not load mx validator by default
Move version definition to gemspec
Makes gem loading much faster
Remove locales test from specs. Just test it for 'translation missing' message.
gemspec fix: remove version.rb file loading
Improve README
Merge branch 'master' of https://github.com/tanraya/valid_email into tanraya-master

Conflicts:
	lib/valid_email/email_validator.rb
	spec/email_validator_spec.rb