plugins/chat: allow sending chat messages to individual players
Merge pull request #14 from niv/pr-chat-msgsingle

plugins/chat: allow sending chat messages to individual players
plugins/redis: redis 2.6 connector with pubsub, resman, sco/rco support
redis: fix CMD mem mgmt, fix demandRes leaking replies
redis: fix eventMessage always returning NULL
redis: log parameters with debuglevel=1
redis: fix integer replies on NWN side failing due to len=0
redis: fix empty strings as arguments failing due to NULL pointer in nwvm intrinsics
redis: don't use strdup for non-NULL-terminated binary data
redis: support subscribe= in nwnx2.ini to auto-subscribe to channels
redis: small sanity check to catch non-gff data in RCO/resman
profiler: functions for getting script name & callstack
plugins/coreevents: publish some core events via pluginlink

For now, only exposes the main loop (MainLoopInner actually), and
RunScript, which can be used to suppress/redirect script execution
events.

Also adds some documentation in nwnx_modules.h
plugins/redis: use new API, nwnx_coreevents