add rspec tests
Fixed a typo in the word 'exuecute'
add saucelab stuff from tom
Merge pull request #20 from cloudfoundry-incubator/travis4

add rspec tests and saucelab integration from Tom
try to secure the access key
Merge pull request #22 from cloudfoundry-incubator/travis5

try to secure the access key
This should also fix the HEAD build... I hope
Merge pull request #23 from krook/fixtypoes

Fixed a typo in the word 'exuecute'