fix upload error messages
reloading on plugin activation click instead of restart
fixed places where site_title was being referenced in config, instead of the correct "title"
fix duplicate event listeners

they were duplicated if you navigated from topic to topic
only ban once for low rep

also only check on downvotes
closes #2287
call package manager

get latest version from versions object
fixed #2292
added instructions for responsible disclosure, and use of `git bisect` for regression testing, closed #2280
grammar fix