comment/validation nits

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12703 940247f8-a3eb-dc11-81c7-0019d144f6e4
headers and spacing and docstrings, ocs2drupal

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12704 940247f8-a3eb-dc11-81c7-0019d144f6e4
loads of changes to config settings:

pulled out query func from templates
db types are in the diff/sync section and renamed
new validator settings, still WIP
moved and renamed global callbacks
new db-level per-template callbacks
all callbacks are sequences
changes to template element names
changes to callback args
changes to defaults: now type-dependent, Drupal timestamps and caches
are included by default
replication bypass and callbacks are all in do_sync(), update/insert
dispatcher is cleaner
template element names are completely centralized

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12705 940247f8-a3eb-dc11-81c7-0019d144f6e4
remove redundant callable() checks

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12706 940247f8-a3eb-dc11-81c7-0019d144f6e4
add subheadings and better formatting to the template description

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12707 940247f8-a3eb-dc11-81c7-0019d144f6e4
limit settings specified as tuples to tuples, not sequences

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12708 940247f8-a3eb-dc11-81c7-0019d144f6e4
put the actual defaults into the descriptions where they depend on db type

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12709 940247f8-a3eb-dc11-81c7-0019d144f6e4
*_cv clarifications

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12710 940247f8-a3eb-dc11-81c7-0019d144f6e4
finished validating the query func args

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12711 940247f8-a3eb-dc11-81c7-0019d144f6e4
make tuple checks limited to tuples, the RIGHT way this time

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12712 940247f8-a3eb-dc11-81c7-0019d144f6e4