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
Fixed various locators are system tests
Fixed sys details/facts related tests and fns and updated a fn to edit sys name/description
Fixed various locators are system tests
Fixed sys details/facts related tests and fns and updated a fn to edit sys name/description
Enables localfiledetector in RemoteWebDriver
Merge pull request #918 from blrm/master

CLI configuration options for sauce labs
Changes to update custom info and system details
fixed conflicts
removed duplicate functions
Updated locator for custom-info save button, as existing one doesn't work
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
removed trailing whitespaces
Merge branch 'master' into sys
removed unused function and its locators
enabling system tests
few navigation changes
Merge pull request #917 from sghai/sys

Fixed fn/tests and locators for new system tab