1. define BOOST_SPIRIT_THREADSAFE (should be defined in config.hpp??) to be compatible with the core library. 2. use mapnik install_dir as input argument.  3. Generate three images as in rundemo.py
1. define BOOST_SPIRIT_THREADSAFE (should be defined in config.hpp??)
to be compatible with the core library.
2. use mapnik install_dir as input argument. 
3. Generate three images as in rundemo.py



git-svn-id: 5adfda8227e14e59fd47d5bd9925a30df16fed74@587 d397654b-2ff0-0310-9e29-ba003691a0f9

craigds/mapnik2,makinacorpus/mapnik2,makinacorpus/mapnik2,craigds/mapnik2,makinacorpus/mapnik2,makinacorpus/mapnik2,craigds/mapnik2,craigds/mapnik2