Fixed demos
Fixed demos


Former-commit-id: 0b2e2450581e060892a28b49b1a19445c3dcddad [formerly 0b2e2450581e060892a28b49b1a19445c3dcddad [formerly 95e701c276d95e20ccf363996f7713f84ec9d130]]
Former-commit-id: bf4aff7f18ddad41ac16ee6577a871b8f83d9cdf
Former-commit-id: d9d0f6d74b517552f02890d6ebdb702d0686ea9d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine