Merge 'trunk' into 'replication_dedux'

Merge 'trunk' into 'replication_dedux'

r14114@dev (orig r4505):  gphat | 2008-06-19 08:06:57 -0500
Add make_column_dirty to Row (per request from #dbix-class questions)

r14293@dev (orig r4514):  wdh | 2008-06-25 05:52:30 -0500
clarify that ->resultset_class must be called after ->load_components and ->table when using custom resultsets
r14324@dev (orig r4518):  wdh | 2008-06-26 07:29:45 -0500
add troubleshooting examples for quoting issues
r14371@dev (orig r4519):  castaway | 2008-06-26 14:51:35 -0500
Remove setup_connection_class from POD, skip in podcoverage

r14372@dev (orig r4520):  lukes | 2008-06-27 05:18:08 -0500
changed default behaviour of do_upgrade in versioned to just run everything
r14600@dev (orig r4540):  bricas | 2008-06-30 08:32:03 -0500
change my nick
r14601@dev (orig r4541):  nigel | 2008-06-30 09:30:11 -0500
Corrected spelling of TRANSACTION in code reading sql upgrade script.
Pointed out by renormalist on IRC.

r14602@dev (orig r4542):  bricas | 2008-06-30 09:36:37 -0500
update marcus in the authors
r14603@dev (orig r4543):  lukes | 2008-06-30 13:38:08 -0500
added ignore_version connect attr and updated docs accordingly
r14604@dev (orig r4544):  lukes | 2008-06-30 15:07:13 -0500
implemented versioning tests for version warns
r14715@dev (orig r4551):  ash | 2008-07-02 09:53:32 -0500
Add caveat about prefetch
r14716@dev (orig r4552):  wreis | 2008-07-02 17:19:39 -0500
updating changelog
r14717@dev (orig r4553):  ribasushi | 2008-07-03 18:52:31 -0500
Minor cookbook fix (two adjacent examples were mixed up)
r14718@dev (orig r4554):  lukes | 2008-07-04 07:03:51 -0500
made versioning overwrite ddl and diff files where appropriate and made arg order of ddl_filename consistent with create_ddl_filename
r14719@dev (orig r4555):  lukes | 2008-07-07 07:11:32 -0500
moved schema_version from Versioning to core