updates from proj-4.6.0
freeze for 0.9.9 release
update pyproj to 1.8.4
updated proj4 sources to 4.6.0
update to proj 4.6.0 (second try)
revert the update to proj 4.6.0
update proj4 sources to version 4.6.0
adjust title
add runtime_library_dirs to _geos Extension initialization.
remove hidden dependency on setuptools