Merges branch 'release/0.1.0' into develop
Add ruby-2.1.0 as a tested Ruby.
Fixes 'needs' lookup with inherited classes.

Now `needs` looks at all ancestors that have included
the Encase module.

Fixes #3.
Merge pull request #1 from havenwood/develop

Add Ruby 2.1.0 to list of supported Rubies.
Adds support for chaining to DSL.
Merges branch 'develop' of github.com:dsawardekar/encase into develop
Bumps version to 0.1.1
Updates changelog for 0.1.1
Merges branch 'release/0.1.1'