PathResolver::EXTENSIONS is a hash in rails 4.1
Add rails 4.1 gemfile run build on 2.1 and 2.0
Use ActionPack to check version

Make it a bit easier as actionview version file is not required on rails
4.1.0.beta1
Fixing asset_equal parameter ordering

Expectation goes first, result second.
Fixed typo in test
Removing deprecation warning
Explicit numeric version check for configuration

The configuration of `ActionView::PathResolver::EXTENSIONS` and
`ActionView::PathResolver::DEFAULT_PATTERN` has unfortunately changed
so we are going to have to branch on the Rails version in order to keep
support for Rails 3.2-4.0.
Adding support for Rails 4.1

Rails 4.1 has a new file extension part called a variant. Added support
in `extract_handler_and_format ` and dried up the version specific code.
Adding 4.1 Appraisal testing
Removing broken path in gemfile.lock from old appraisals version
Adding changelog entry and yet another awesome contributor!
Merge branch 'rails-4.1-support' Merges and fixes #21