Med: Cleanup orainstance.sh and add support for Oracle 11g

Significant cleanup of the orainstance.sh rgmanager resource agent.
This version has been tested verified to work with Oracle 11g.

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
Med: Cleanup oralistener.sh and add support for Oracle 11g

Significant cleanup of the oralistener.sh rgmanager resource agent.
This version has been tested and verified to work with Oracle 11g.

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>
Med: Cleanup oracledb.sh rgmanager agent and add support for Oracle 11g

Signficant cleanup of the oracledb.sh rgmanager resource agent that
also adds support for Oracle 11g. This agent has been tested and verified
to operate correctly with both Oracle 11g and Oracle 10g.

Signed-off-by: Ryan McCabe <rmccabe@redhat.com>