Merge pull request #2 from OIT-ADS-Web/resize_to_fill

Thanks to @maciej and @patrickmcelwee!
Use bundler properly
Undo Bundler changes.................
Use lets in the specs
Write a simple benchmark
Bump version
Add #resize_to_limit
Refactor common structure of resize_to_fit and resize_to_limit
Use bundler properly
Undo Bundler changes.................
Use lets in the specs
Write a simple benchmark
Bump version
Merge branch 'resize_to_limit'

Conflicts:
	spec/carrierwave_imagevoodoo_spec.rb