Update base_presenter.rb

Seems like a typo.
Merge pull request #921 from Jainish/patch-1

Update base_presenter.rb
Merge branch 'master' of git://github.com/sambauers/engine into sambauers-master
do not need to store the controller and the action in the etag
bump version to 2.5.0.rc3
bump version to the final 2.5.0
More sensible Etags
Merge branch 'master' of github.com:sambauers/engine