Move firefox plugin out of main app.
Task to fetch webdriver.xpi
Fix missing file message
Clean up file check logic
Add missing do
Bump version
Bump Version
Merge pull request #28 from stuart/feature/load_firefox_plugin_task

Feature/load firefox plugin task
Test tweaks
Merge branch 'master' into feature/hex_dependencies

Conflicts:
	README.md
	mix.exs