#416264 by bec: Dependency processing could cause exposed forms to disappear if used multiple times on the same page.

#273570: Work around a FAPI limitation that only lets me validate a given form once even though I need to validate it an arbitrary number of times.

#236786: (by KarenS) Make sure all views.*.inc files can be loaded from the module's path or module_path/include directory.

Retooled the form replacements into a single, unified form builder (which may be suitable for use in Drupal 7)