* split Screenshot upload & management into separate endpoints
* move shared functions to manager classes
* cleanup javascript
* move test for config screenshot min size to cfg class
* whelp, didn't see the onKeydown handler for the input field
* fix the fix in bf06c418d4
* allow "ArrowUp", "ArrowDown" and "-" as inputs
* also fix search by pressing <Return>
* do not urlencode mysqli uris .. can't wait for this to cause issues again.
* input[type=number] does not allow inputing dashes to signify negative numbers. Use input[type=text] instead and cast to int afterwards.
* removed most templates by sensibly restructuring lvTab-data. Util::toJSON() does the rest.
* taught Util::toJSON() to recognize values prefixed with $ as js-code
* use Util::toJSON whenever possible
* misc
- mail attachments are displyed again
- always show all currency rewards on Quest-LVs
- suppress an error, when encountering unused ItemMods
* editing after upload
* reputation gain for approved uploads
* moderator interface (albeit a bit wonky)
I still do not speak French, Spanish or Russian, so translations are
appreciated
