Initial setup

Including all work that was done locally so far
Renamed a public method.
Updated the Readme file
Added BrowserStackTunnel for running a tunnel along with the relative configuration
Configuration file changes to make naming consistent
Fixed various bugs in the BatchScreenshotsCapture
Fixed minor bugs, formatted code according to blinkbox standards
Merge pull request #1 from kkarablinkbox/master

Completed main API work around the BrowserStack Screenshots API