Added better check for libbz2. Added check for C++11 compiler.
Update autoconf archive macros.
Added autoconf stuff for gdlib.
Don't want the MQ library, or Postgres queue any more.
Use `ax_python_devel.m4` rather than `pkg-config` for Python.
Added macros to check for libuuid.
Add better check for protocol buffers.
Added better check for mapnik.
Don't need this .hpp file any more.
WIP trying to get everything to compile.