Add adaptive capabilities to the sqlite realtime driver

(closes issue #13097)
 Reported by: gknispel_proformatique
 Patches: 
       20080730__bug13097.diff.txt uploaded by Corydon76 (license 14)
 Tested by: Corydon76


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@134442 65c4cc65-6c06-0410-ace0-fbb531ad65f3