Merged latest changes from http://github.com/jhuckabee/drupal-exhibit (7b4756c) by jhuckabee.

Changelog (Exhibit Views):
- Added support for numeric and date CCK fields in Exhibit Views. Also, only adding label to properties if it exists.
- Added support for multi valued fields. Fixed handling of date and numeric fields.
- Removed file ID tag data.
- Fixed rendering issue.
- Fixed taxonomy field issue.
- Simplified taxonomy handling code.
- Fixed taxonomy property label assignment.
- Simplified taxonomy handling code.
- Fixed taxonomy property label assignment.
- Moved exhibit add link code to hook_views_pre_view as hook_init was causing some problems with user cache.
- Removed file tag data.
- Added back in function comment.
- Add support for taxonomies through Taxonomy: All Terms.
- Removed unnecessary array check in taxonomy support.
- Fixed incorrect handling of field aliases. Added support for datetime and datestamp fields.
- Removed debug statements.