Moved EmrCalculationUtils unit tests to kenyacore as they are now tests of CalculationUtils
Updated report queue admin page to allow cancelling of in-progress reports
Worked on this stories
* https://www.pivotaltracker.com/story/show/62758772
*https://www.pivotaltracker.com/story/show/62760410
*https://www.pivotaltracker.com/story/show/62768150
*http://www.pivotaltracker.com/story/show/62768972