Merge pull request #345 from penguinho/master

Objective C is now a supported selenium language
add fireEvent() function for mobile web
Merge pull request #346 from jlipps/master

fireEvent() for web
make atoms elements work if selenium proxy is in front
don't be so eager to find alerts
Add mobile 'source' getPageSourceXML

Example Ruby use:

mobile :source, type: :json
mobile :source, type: :xml

Fix #349
Merge pull request #350 from bootstraponline/source_xml

Add mobile 'source' getPageSourceXML
don't set type of real device, and add instruments launch logging
enable setting device orientation in desired caps
allow overloading of this selenium desired cap
add --orientation cli param
Updated Java Appium examples and documentation
don't allow processing of native commands if remote commands in progress
mute some of this log spew
allow .only() for safari's describe()
allow alert handling to happen even in midst of remote command
better failure behavior
clear out safariness in between sessions
don't try to stop remote unless it exists
new error message reporting structure