moved use mappings to subclause.
fixed code to find type mapping there.
In grammar enforce reference to type set to be inside {} as specified
in the standard.
In grammar and code support for extends of EBSM.
In grammar alternative of type binding.
FHA handles new format for Hazards and literals.
use mappings now declared at subclause level.
Still support use mappings on individual error path as legacy (give
warning).
parameterized use behavior uses keywords (initial) state
Merge remote-tracking branch 'origin/develop' into develop
COmmented out reporting of new entries in Hazard property.
Will implement user selectable entries via preferences.