Merge 'trunk' into 'table_name_ref'

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

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

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

diff --cc t/lib/DBICTest/Schema/CD.pm
Simple merge