* Electron-66 - Added more unit tests for config, getRegistry & throttle
* Electron-66 - Added some more unit tests and enabled activity detection unit test
* Implemented user activity detection
* ELECTRON-32: Implemented throttle function
* ELECTRON-32: Fixed some bugs in throttle function
* ELECTRON-32: Updated comments
* ELECTRON-32: Fixed clear interval bug
* ELECTRON-32: Updated as per the review
* ELECTRON-32: Updated return statement
* ELECTRON-32: Added a boolean to the callback function
* ELECTRON-32: Resolved conflicts
* ELECTRON-32 - Added period attribute