changelog and bump for publish 0.8.0
Type casting the driver object with JavascriptExecutor
Merge pull request #858 from samaitra/master

Type casting the driver object with JavascriptExecutor
Fix #857
Merge pull request #860 from bootstraponline/857

Fix #857
fix mobile safari alert issues (fix #850)
Fixed uncaught exception which was not allowing execution of  "mochaTest:appiumutils" (mochaTest) task. In server.js the gridRegister.registerNode(args.nodeconfig) was getting executed if args.nodeconfig is not null. In the appiumutils.js it was not set as null.
Fix app starting logic

Fix #862
Merge pull request #861 from samaitra/master

Fixed uncaught exception which was not allowing execution of  "mochaTest:appiumutils" (mochaTest) task. In server.js the gridRegister.registerNode(args.nodeconfig) was getting executed if args.nodeconfig is not null. In the appiumutils.js it was not set a
Merge pull request #863 from bootstraponline/857

Fix app starting logic
allow http apps to end in apk instead of zip
Fixed an issue where 'stdout maxBuffer exceeded' throws when unzipping a lot of files.
Merge pull request #866 from rainman-sjtu/master

 Fixed an issue where 'stdout maxBuffer exceeded' throws when unzipping a lot of files.
Fix the Android XPath strings issue.
Now it could work with XPath: android.view.View and android.widget.AdapterView.
Fix Android XPath issue.
Merge pull request #867 from zijie0/master

Fix Android XPath issue.
browserName not needed for Appium tests
update selendroid tests to use new activity style
selendroid doesn't need to start app explicitly; instrumentation does that
move all android tests to use new activity style