Updating spec binary resources

New calabash server versions
Rename spec Resources#alt_xcodes_gte_xc51_hash
Restrict Xcode 5 testing to 5.1.1
Skip testing specs on Xcode 6.0; test 6.0.1
Restrict testing to devices connected by USB

Does not work on Yosemite; uses $ idevice_id -l
Updating cucumber test binaries
Updates Xcode/iOS version compat tests for specs
Update specs with new server version
Fix simulator selection for 'reset sandbox' spec

Was not setting DEVELOPER_DIR soon enough so occassionally
a simulator was selected that was not compatible with the
Xcode version.