Added support for phantomjs command line options.
Updated README
Merge remote-tracking branch 'upstream/master' into phantomjs_options
Change documentation to use the direct path to the install script
Merge branch 'master' into phantomjs_options

Conflicts:
	lib/wraith.rb
Merge pull request #22 from doryphores/phantomjs_options

Added support for phantomjs command line options
Merge pull request #33 from hoguej/feature/point_directly_at_install_script

Change documentation to use the direct path to the install script
Merge master