new rendering code --  still needs testing.
almost there iwth the py_gd integration... some test still failing.
finshed? up the py_gd integration -- all tests pass.
some scripts crashing, but I think that's something else.
almost there -- getting building going.
Merge branch 'master' into gd_rendering_keep

Conflicts:
	py_gnome/gnome/map.py
	py_gnome/tests/unit_tests/test_map.py
	py_gnome/tests/unit_tests/test_renderer.py
	py_gnome/tests/unit_tests/test_utilities/test_map_canvas.py
	third_party_lib/gd/py_gd/py_gd/py_gd.pyx

Brought gd_rendering upto speed with master. There are a lot
of files that have been deleted in master. This has not been tested
but want to keep this branch when we migrate to new repo.
Merge branch 'master' into gd_rendering_keep

Conflicts:
	py_gnome/requirements.txt

(WIP) requirements.txt doesn't currently work since install order is not
enforced. Opened a trac tic for it.
Merge branch 'master' of https://trac.orr.noaa.gov/git/gnome into gd_rendering_keep