added 1.8.1 tag



git-svn-id: svn+ssh://svn.code.sf.net/p/opensips/svn/tags/1.8.1@9217 689a6050-402a-0410-94f2-e92a70836424
Consistently use rtpproxy switches

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Cleanup Oracle's makefiles

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reset column types to NULL upon freeing resultset columns
Credit to Peter Lemenkov
fixed DB type inconsistency
Credits to Peter Lemenkov
Removed all async Oracle operations - they didn't work well anyway