sanity. Added a function to find out what subdirectory mahara is installed
in, which is useful for setting cookie paths

back to pieform configure function, fixed up param_retrieve to not
use REQUEST (as it reads cookies), but instead to read post and get
directly. added contextual help for login box

errors that happen during ensure_sanity are output to the screen and
look a lot better

forms. Changed pieforms to look for a global pieform_validate function
to do validation for any form

likely some stuff still doesn't work properly...

even if you DO have no friends ;-)

the event.

when the DB format was different

I changed the plugin postinst to also take $fromversion. nobody is using
this yet though