Added documents, more fields to works and indexes. Recompiled assets.
All new activities are created on the new_activity page instead of works, venues, and clients pages in addition to the activities index. The end date of a sale has been updated to represent the date the work was paid for. Assets have also been updated.
Correct the header such that blank brandnames are not shown.
Improve the look of forms with errors such that the horizontal form is not broken.