hazard/general: added new IMTs (IA and RSD) to IML_SCALING mapping
hazard/general: added new IMTs (IA and RSD) to IML_SCALING mapping


Former-commit-id: 23d2a793abbd49371ef5969920a194c8266ebf0b [formerly 23d2a793abbd49371ef5969920a194c8266ebf0b [formerly 1c19cfcb4997d6fc9892e38829e1e8acf58396bd]]
Former-commit-id: dfc1f457bb37fb5eff56c045900c3d7b679c14b3
Former-commit-id: e89b93d8bf63e51957e65376096a58186f50c9ff
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine