netoverride: Update master server address, add ENV variable.

- The new master server address points to skywing's server.
- Add an ENV variable NWN_MASTER_ADDR in order to make it possible
  to override the master server's IP address.
Override default cflags to disable optimization
Merge pull request #4 from jd28/netoverride-fix

netoverride: Update master server address.
plugins/odmbc: Reconnect on connection errors
Fix return of pointer to static buffer in RCO causing dealloc crash.
Revised SCO/RCO to fix escaping, improve speed.
plugins/jvm: fix RCO & Resman + Testrunner integration
Merge pull request #9 from eeriegeek/ee_fixes

Database fixes for SCO/RCO in PostgreSQL and SQLite
plugins/chat: typo
fixes #10
plugins/profiler: changed counters from int to unsigned long (see #5)
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