Corrected some javadoc
Corrected some javadoc


Former-commit-id: 141709aa2e588f966b0a3d920fac913108c319ad [formerly 2d01f7240457886d87384c16c997f411a831da48]
Former-commit-id: d1f1dd77cd3ddcdd8f4d34c82808ee0eeadf74be
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine