Medium: oracle: Create profile for OCFMON user (bnc#850589)

Rewritten patch for the oracle RA. Having the resource agent create a monitoring user automatically turned out to be very problematic. That user is created outside the control of the database adminstrator, and will possibly have security limitations that break the RA in unexpected ways.

This patch replaces the automatic user creation with a required parameter "monuser", which must be set to a user manually created by the administrator.