Merge branch 'master' of github.com:appium/appium
allow finding of alerts
special-case getting the text of a button
Merge pull request #166 from jlipps/master

more flexibility in alert handling and getting text of buttons
allow getting screen size through selenium /window/size
Merge pull request #167 from jlipps/master

add ability to get screen size through WebDriver window command
Merge pull request #168 from penguinho/master

Making App Finder more forgiving so it will find apps already installed in the iOS simulator
add global error handling for appium controller methods
be much more eager about cleaning up extraneous files
update this test to use the new hotness behavior
Merge pull request #171 from jlipps/master

better cleanup, less crashing