Merge pull request #20 from ImageGuidedTherapyLab/master

usage update
Set MATLAB true
I commented out some patients for the datasummary.txt portion of brainsearch.py.
I improved the while loop of hist_plotting
Fixed a typo in the while loop
Slight improvements to displaying the progress of the script (ie it displays what iteration it is on).
Got rid of a useless line
I think it's working now
Mystery edits... I thought I've already committed some of the same lines I'm putting in now
There's a merge, plus a new file that reviews the results of LOOCV, plus edits

Merge branch 'local'

Conflicts:
	PlanningValidation/analytic/unused/hist_plotting.m
Corrected some typos
Merge pull request #22 from sjfahr/master

LOOCV loose ends