By calling collectgarbage() at various places I was able to reduce heap usage by ~270kb.
collect_dir() will now pre-load all files and return a function that will collect all information.
Apart from replacing a patch for the former by two patches for latter, this involved minimal adaptations of the lua scripts in the following packages: * gluon-announce * gluon-announced * gluon-mesh-batman-adv-core * gluon-status-page
This also adds an extended query protocol and deflate compression.
