Merge pull request #262 from maudineormsby/master

Add isEnabled and isDisplayed for the remote protocol, plus tests
these callbacks need to conform to node error handling convention
remove orientation test in appiumutils, it's redundant
add pickerwheel support
Merge pull request #264 from jlipps/master

fixing some fast-reset and pickerwheel support
Make execute script compatible with the selenium server args that are passed with execute script calls.
Test should use el.value not hardcoded numbers.
Actually catch issues with bad elements
Run all the tests not just one
Merge pull request #266 from maudineormsby/master

Make appium accept selenium's args for execute script
Fast reset rewrite

Fix #263