Add utility method & steps for capturing screenshots
Pass in base and source separately when setting save directory.

Structure is important for comparison script.
Automated inventory of captured screenshots
Release 0.3.5
Add BrowserStack reference to README
Whitespace
wait_for decorator
Wait for elements to become visible properly
Wait for jQuery to load after injecting it
Merge pull request #48 from infoxchange/wait-for-element-visible

Wait for element to become visible properly