Added additional details to the simple test.

Added a Readme.
Merge pull request #144 from jlipps/master

readme update
Merge branch 'master' of github.com:appium/appium

Conflicts:
	sample-code/examples/ruby/cucumber/features/support/env.rb
	sample-code/examples/ruby/simple_test.rb
Lets try to use secure rubygems.org
Merge pull request #143 from DylanLacey/master

Created a README for examples
Merge pull request #145 from jlipps/master

better native swipe actions and a bit of cleanup
Add error detection to absolute_app_path

A specific error message is better than the current "Timeout::Error:" when the app doesn't exist or isn't a directory.
Merge pull request #146 from bootstraponline/check_app_path

Add error detection to absolute_app_path
Merge pull request #147 from jlipps/master

turned gestures into a jsonwp extension
add capability to use local version of zipped app & test