first pass at adding geo bins
install into bin
stick it in gdal
make the dir first
consistency
typo
add gdal to path
add gdal to ld_lib_path
update readme
Merge branch 'master' of git://github.com/ryandotsmith/heroku-buildpack-ruby-geos into ryandotsmith-master

Conflicts:
	README.md
Merge branch 'ryandotsmith-master'