add ignores to data and generated

closes #7
remove unused shapefile

closes #8
use gcc instead of cpp as the preprocessor
osm2pgsql schema adjustment for roads > lvl13
Merge pull request #16 from geobretagne/geobretagne

osm2pgsql schema adjustment for tunnels and bridges for roads > lvl13
add encoding on road names (to go through bidi)
Merge remote-tracking branch 'mapserver/master'

Conflicts:
	Makefile
	data/.gitignore
	data/Makefile