First version of Cases per country report

Added first version of Cases per country report

Forgotten files for Cases per country report
Cases per country report bug-fixes
Added Grouping period in summary of Cases per country report
Added allowMultiSubmit in submit button for creating reports
Added Grouping Period in summary of reports Analysis per department and Analysis performed
Added analyses summary foreach case in Cases per Country report
Fixed small bug with date requested filtering in Analyses per department report
Added count summaries on Cases per Country epid report
Added footer legend to Cases per country report
Added Analysis Requests per Country epid report
Added 'Unknown' in reports when patient's country not defined
Added Epid details per analysis report