bin/oq_create_db:

Added the --verbose (-v) option and set it to 'off' by default.
db/schema/openquake.sql:

Disable NOTICEs, so that bootstrapping the DB isn't so bloody verbose.

Also removed some trailing whitespace.
bin/create_oq_schema:

I'm deleting this script. I will then create it again as a symlink to
`bin/oq_create_db`.
bin/create_oq_schema:

Re-created `create_oq_schema` as a symlink.
Merge pull request #1061 from larsbutler/silent-db-script

DB schema bootstrap script now runs silently by default

[r=matley] [f=*trivial]