Updated README.rst with submodule instructions
Updated submodule references to latest imagen, param and paramtk
Updated submodule references to latest imagen
Updated submodule references to latest imagen
test commit for buildbot
test commit for buildbot
test commit for buildbot
test commit for buildbot
Direction preference values now normalized for correct GUI display

Direction preferences now normalized into unit range in
measure_dr_pref. This fixes the display of direction maps in the GUI.
committed changes to run system tests on Windows
whitespace tweak to previous commit
removed tweak for PIL in external Makefile
restore patch from previous commit
replaced nose.plugins.skip.SkipTest with unittest.case.SkipTest in topo/misc
revert previous change; doesn't work on DICE
Fixed unused imports and undefined variables in sparsecf.py
Pyflakes errors fixed in topo/misc/ipython.py and topo/misc/tlancet.py
clear pyflakes warnings
Updated docstrings and made minor fixes to sprout and retract fn in sparse

CFSPOF_SproutRetract updated with docstrings, output routed through
message() function and applied disk mask during each sprouting step.
Routed sparse pruning function output through message() function