Adds command line configurable options for sauce browser specs.

:sauce-browser :sauce-os :sauce-browser-version
Merge branch 'master' of https://github.com/RedHatQE/katello.auto
Enables localfiledetector in RemoteWebDriver
Merge pull request #918 from blrm/master

CLI configuration options for sauce labs
Fixed the changed locators under the products page
Merge pull request #919 from kbidarkar/fix-custom-tests

Fixed the changed locators under the products page
Merge branch 'master' into sys
removed unused function and its locators