Add notes to contributing doc on running tests and dummy app
Merge pull request #15 from jbescoyez/master

Enable passing html blocks into button
Clean up test suite

Refactored test suite to reduce code complexity. Added "contains"
helper.
Merge pull request #16 from dockyard/bc-clean-up-test-suite

Clean up test suite
Merge pull request #14 from pixelhandler/add-contributing-notes

Add notes to contributing doc on running tests and dummy app