Fixed Jasmine tests for sensors and actuators

Jira issue: WP-1043
Merge pull request #17 from glatorre/WP-1043

Fixed Jasmine tests for sensors and actuators
Update README.md
Updated wrt files to self register

Jira: WP-1308
Merge pull request #18 from ziransun/patch-1

Update README.md
Merge pull request #19 from andreasbotsikas/WP-1308

Updated wrt files to self register