CB-6958. Port camera tests to plugin-test-framework

Ported camera test from mobilespec to the new test-framework in jasmine
2.0
Added test folder.
Added tes.js file inside the test folder.
Merge branch 'master' of https://github.com/javierbb31/cordova-plugin-camera into CB-6958
CB-6958 added manual tests
update CameraProxy.js
Renamed test dir, added nested plugin.xml
CB-7249cordova-plugin-camera documentation translation: cordova-plugin-camera
CB-7244 Updated version and RELEASENOTES.md for release 0.3.1
CB-7244 Incremented plugin version.
Merge branch 'CB-6958' of https://github.com/stacic/cordova-plugin-camera
CB-7286 [BlackBerry10] Use getUserMedia if camera card is unavailable