Update README.md
Update README.md
Merge branch '3.3/master' of https://github.com/Hete/kohana-paypal into 3.3/master
Added PHPUnit dependencies for development.
Using PHPUnit 3.7.*
Configuration for Travis CI.
Add the build status from Travis.
Mock configuration in tests.
Refactored tests to reduce code.
Merge branch '3.4/develop' into 3.3/develop

Conflicts:
	classes/Kohana/PayPal.php