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

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

r14845@Brian (orig r2878):  ash | 2006-11-13 15:48:13 -0400
Seperated out quote tests so that matt can use them for S::A at some point (old
test t/19quotes.t) Also includes two failing tests (quoted order by and
{ select => ['me.*']} attrs).

r14870@Brian (orig r2882):  blblack | 2006-11-15 10:13:44 -0400
fix for rt.cpan.org #22740 (use $^X instead of hardcoded "perl")
r14875@Brian (orig r2887):  castaway | 2006-11-15 10:26:47 -0400
Fix foreign/self example

r14885@Brian (orig r2897):  blblack | 2006-11-15 16:16:14 -0400

Don't blow up if columns_info_for returns useless results

r14893@Brian (orig r2898):  bricas | 2006-11-16 11:42:33 -0400
moving it to -current branch