added an option to check/create tables spaces only.
added an option to check/create tables spaces only.


Former-commit-id: 59c43cb1013aaea712cafdcbbf09ea63c4d61f32 [formerly 1703e8622b02494249c7294cefb16a38f414d3c6]
Former-commit-id: e4d5c94d0c423167bb12ea44bff9d63130b5b6cf
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine