Most significant change: Upgrade selenium dependency to 2.48.2

Everybody get excited for appium version 1.5. Going through final testing now.

3.3.0

updated the dependency on Selenium to version 2.48.2
bug fix and enhancements of io.appium.java_client.service.local.AppiumDriverLocalService
FIXED bug which was found and reproduced with Eclipse for Mac OS X. Please read about details here: #2524
Thanks to saikrishna321 for the bug report
FIXED bug which was found out by Jonahss. Thanks for the reporting. Details: #2722
and #273
For starting an appium server using localService, added additional environment variable to specify the location of Node.js binary: NODE_BINARY_PATH
The ability to set additional output streams was provided
The additional startActivity() method was added to AndroidDriver. It allows to start activities without the stopping of a target app
Thanks to deadmoto3 for the contribution
The additional extension of the Page Object design pattern was designed. Please read about details here: #26711
New public constructors to AndroidDriver/IOSDriver that allow passing a custom HttpClient.Factory Details: #2762 thanks to baechul1