Merge 'trunk' into 'sqla_1.50_compat'

Merge 'trunk' into 'sqla_1.50_compat'

r25478@agaton (orig r5092):  ribasushi | 2008-11-10 22:46:45 +0000
Switch out one more reliance on connect_info
r25483@agaton (orig r5097):  ribasushi | 2008-11-10 23:09:23 +0000
belongs_to relationships are explicitly flagged by default, to aid the DBIC SQLT parser (by abraxxa)
r25484@agaton (orig r5098):  ribasushi | 2008-11-10 23:18:01 +0000
Clarify attributes argument of find()
r25499@agaton (orig r5113):  plu | 2008-11-12 16:42:44 +0000
fixed 73oracle.t, added charfield