[CB-6960] Port compass tests to plugin-test-framework

Ported the compass plugin (device-orientation) from mobile-spec to the
new test framework with Jasmine 2.0
-Added test folder
-Added test.js file inside the test folder.
CB-6960 Added manual tests
CB-7244 Updated version and RELEASENOTES.md for release 0.3.8
CB-7244 Incremented plugin version.
Merge branch 'CB-6960' of https://github.com/stacic/cordova-plugin-device-orientation