Make RDM use the rtags plugin interface again now that I see what's
going on (it was causing multiple recompiles of the same object files
and probably lots of horrible other things at run-time).

Things with libevent appear to be working~!@!@!  Compilations and
basic commands like project listings and source locations are working
on linux~!
Temp hack on JSONParser to leak memory in favor of throwing a runtime
error when trying to dispose an object that is apparently in use in
another thread.
Update rct and small logging mods
Update RCT