Merge 'trunk' into 'DBIx-Class-current'

r9749@obrien (orig r1500):  nigel | 2006-04-20 16:22:07 +0100
Trivial documentation fixes
r9750@obrien (orig r1501):  wdh | 2006-04-20 17:53:58 +0100
nuke DBI->trace calls
r9751@obrien (orig r1502):  captainL | 2006-04-21 14:54:40 +0100
removed duff ResultSourceProxy links

diff --cc lib/DBIx/Class/Relationship/Base.pm
Simple merge

diff --cc lib/DBIx/Class/Schema.pm
Simple merge

diff --cc lib/DBIx/Class/Storage/DBI.pm
Simple merge