Merge pull request #30 from odynvolk/master

Page Authority and Moz Rank
Update to use ruby >= 1.9.3
Update status image
Update Gemfile source
Switch from .rvmrc to new standard.
Update success ranks cassette
Add license to gemspec
Update public_suffix gem to version 1.4.4.
Correctly configure RSpec color output.
Merge pull request #34 from flippa/update-publicsuffix

Update public_suffix gem to version 1.4.4.
Update yahoo lookups
Bump version
Add protocol to URI
Merge pull request #36 from shopjoy/master

Add protocol to URI
Add domain authority rank
Add specs for domain authority
Modify readme
Merge pull request #37 from idanci/master

Add domain authority rank
Update version and changelog