change integer database placeholders with float for getting the entire number

#417660 - maybe fix by adding missing form submit handler, but didn't test it

already changed in the DRUPA-5 branch.

of hook_search where it shouldn't have.

dropdown to force user to set the default blocked user
role.

issues #62236, #63429, #54614; shell_exec() in safe mode, cannot unblock users, brackets on table names for db prefix

- Fix some badly tagged modules

quick hack to fix broken blacklist check and replace 404 alternate page so multiple attempts from blacklisted people don't clog the admin logs