fixed a bitrot issue in the v534 update code related to the file maintenance manager not existing at the time of db update.

as this system gets fleshed out, the new UI under database>db maintenance->review deferred delete table data will finish up too.

I expect to have it done for next week, so bear with me if you need to delete a lot this week the maintenance task that actually does the deferred background delete is not yet ready, so for now these jobs sit in the landing zone taking up their original hard disk space.the old tables are not deleted instantly, but renamed and moved to a deferred delete zone deleting a huge service like the PTR and deleting/resetting/regeneratting a variety of other large data stores are now essentially instant.I have long planned a fix for 'the PTR takes ages to delete' problem.all file import options and filetype system predicates that previously said 'all applications' should now say 'all applications, image project files, or archives'.it isn't a big deal, but these new groups are reflected in options->media too.this leaves 'applications' as just flash and pdf for now.svg and psd may be significantly more renderable soon, so this category may get further shake-up

and I did the same for the 'image project files' like krita and xcf.I split all the archive types away from 'applications' into a new 'archives' group.you don't want to scroll down to find webm, but you don't want to hunt through a giant hydev-written 'popularity' list to find realmedia either. I tried to put the most common filetypes at the top and listed the rest in alphabetical order below, going for the best of both worlds. I re-ordered the actual filetypes in each sublist here.the 'clicking a category selects all children' logic is preserved it is more compact and scrolls neatly, letting us stack it with all these new filetypes we've been adding and more in future. I rewrote the expanding checkbox list that selects filetypes in 'system:filetype' and File Import Options into a more normal tree view with checkboxes.

For mac download Hydrus Network 537