additional custom compare test
additional custom compare test

Adding custom compare test with commit and compaction
prior to iteration.  Takes in a flag that produces
equal keys in comparision range

Change-Id: I4658a5ca09c0c4d5a58835407ee9ceb6e79b995a

joliss/forestdb,hisundar/forestdb,couchbase/forestdb,wurikiji/forestdb,joliss/forestdb,yyangpan/forestdb,wurikiji/forestdb,zhaog/forestdb,zhaog/forestdb,yyangpan/forestdb,jinxuan/forestdb,sushmaad/forestdb,hisundar/forestdb,jinxuan/forestdb,couchbase/forestdb,sushmaad/forestdb