COSD Excel Importer - Imports  the following sheets: "Core", "Breast", "CNS", "Colorectal", "CTYA ", "Gynaecology", "Haematology", "Head & Neck", "Lung",  "Sarcoma", "Skin", "Upper GI", "Urology", "Reference - Other Sources".
It doesn't include tests and imports some integers formatted cells with decimal point.
Merge branch 'develop' of github.com:ModelCatalogue/modelcatalogue into feature/COSD_Importer
Separate the COSD Excel importer from the ICU.
Changed the getValue function to read numeric (integer) formatted cells as displayed in Excel with DataFormatter.
Some unit tests added - More to be added.
Merge branch 'feature/COSD_Importer' into feature/new_mdr_core

Conflicts:
	grails-app/views/shared/_header.gsp
COSD Importer changes to use importer generic service.
Missing testing and calling the service...
Merge branch 'feature/new_mdr_core' of github.com:ModelCatalogue/modelcatalogue into feature/new_mdr_core
More changes to allow the call of the generic service per excel sheet. - Needs testing
Changes made to the COSD importer to use the generic importer.
Tested manually.
Tests need to be modified.