Added id tag to measures.
Added evaluated measure to definition file

Not running because the evaluated measure cannot be calculated yet.
Merge branch 'develop' into initial-datamodel
Calculator functionality

Calculators functionality added to CatalogueReader.
Initial Colour Index calculator created.
Document based

Changed the application type from a basic application to a
document-based application.
* added static access to all loaded catalogues.
Merge branch 'initial-datamodel' into develop