Updated halo radial analysis.
	modified:   halo.py
Updated defaults.
	modified:   halo.py
Only record resolved results ( >50 particles).
	modified:   halo.py
Moved tracking of sinks into function, not called by default.
	modified:   sim.py
Ensure sim.tsink is set.
	modified:   sim.py
removed deprecated script.
De-refined halo binning.
	modified:   halo.py
spherical/cylindrical coords now included in loadable keys.
	modified:   hdf5.py
updated radial temperature plot
	modified:   multiplot.py
Merge branch 'master' of github.com:hummel/pyGadget
default image depth equal to box width (square)
	modified:   visualize.py
correctly trim (all) arrays when visualizing
	modified:   visualize.py
Merge branch 'master' of github.com:hummel/pyGadget
change default n_min to equal simulation n_neighbor
	modified:   halo.py
new visualization method for temperature.
extra verbosity
	modified:   visualize.py
New script for analyzing all halos.
	new file:   analyze_halos.py
reject high-temperature outliers
	modified:   halo.py
Added a density-cut method.

	modified:   analyze.py
	modified:   visualize.py
Merge branch 'master' of github.com:hummel/pyGadget