Merge pull request #51 from gitahi86/master

MCH Forms Improvements
Major refactor of reporting classes inline with changes to kenyacore.
* Calculation based reports now managed as beans
  + Can specify an identifier to be displayed
  + Can be linked to a program
* Reports now have app permissions which are checked
Merge branch 'master' of github.com:I-TECH/openmrs-module-kenyaemr
Merge branch 'master' of github.com:I-TECH/openmrs-module-kenyaemr