* 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
* detatch from User and Util and move to its own enum class
* added definitions for all locales the 12340 client could in theory have
* this is incompatble with the Intl extension
* version bump and php requirement bump
* 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
* reworked upload process to be more user-friendly
* handle bricks that consist mostly of localized text separately
* added handle to display errors, when adding CommunityContent on the page they originated from
* 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
