Add an LD_PRELOAD library "buildat_guard" which takes care of limiting Urho3D::ResourceCache's file system access while it's lacking the functionalty by itself
doc
client/extensions.lua: Put our Lua package loader first in package.loaders to get rid of unnecessary extension lookups in disallowed files
core/log: Don't use #defines for log levels
client/main: Re-creating app:App requires guard to be disabled; do that
client/app: Redirect Urho3D's log to our better and in every way more glorious log system
client: Clean up logging
client: Get rid of exception about inexisting remote resource when accessing a local resoource
client/main: Log "Succesful shutdown" on succesful shutdown, to distinguish it from a crash