Added Port for ChromeDriver.
Doc updates and whitespace
WIP: Tests for chrome driver support.
Add chromedriver to travis setup
Only run tests for browsers that are on the system
Fix /Users/stuart/bin:/Users/stuart/.rbenv/shims:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/usr/texbin so that mix will run.
Get most of ChromeDriver working
Removed beam files that should not be there
Fix debug blocks
Put travis.yml back to how it is in develop
Better error handling. Fix firefox detection.
Catch odd exception case in Session.elements
Update README, add test for fixed chrome stuff
Merge branch 'master' into feature/chrome_driver

Conflicts:
	lib/webdriver/protocol.ex
Merge pull request #18 from stuart/feature/chrome_driver

WIP: ChromeDriver.