move deprecated RMagick.rb file
Replace GemFury badge with Shields.io one (flat)
Replace Travis CI badge with Shields.io one (flat)
Replace Code Climate badge with Shields.io one (flat)
Add Shields.io total gem downloads badge
Add VersionEye reference count badge
Update changelog; might have missed a few things
Bump to version 2.13.4
adding rubocop
Merge pull request #138 from mockdeep/rubocop

Let RuboCop inspect code style
Test on Ruby 1.8

People still use it in production (see #150 for example)
only require rubocop on ruby versions >= 1.9.2
Merge pull request #151 from mockdeep/rubocop_version

Only require RuboCop on Ruby versions >= 1.9.2
Merge pull request #141 from mockdeep/deprecate

Deprecate requiring 'RMagick' and avoid filename case conflicts
set up simplecov

I had to change a bunch of `require`s to `require_relative` to resolve
pathing issues when running this. You can run the coverage with
`ruby test/test_all_basic.rb`, then open up `coverage/index.html`