Fix #951
Rails 4 fix for #951
Add a change log entry for fix.
Fixed a couple of gem name references.

Thought this might be useful for people coming to this Gem unaware of it's CanCan heritage.
Merge pull request #22 from maxshelley/develop

Fixed a couple of gem name references.
Merge commit '32d6de4af1914d7ba179e69903c33df2dc3aa830' into develop
Require RSpec Expectations
RSpec does not automatically include > 2.13, but only do it for RSpec > 1... added a deprecation for RSpec < 2
Include core as well, just in case.
Update documentation.
Require files, test_files, and executes in a more modern way.
Merge pull request #23 from CanCanCommunity/feature/fix_rspec

Require RSpec Expectations
Bump version to 1.7.1
Merge branch 'release/1.7.1'
Merge branch 'master' of github.com:CanCanCommunity/cancancan