modified offline terminology to be in line with paper (ie theta1, theta0 -> PL, PD)
More expert double-checking
Merge branch 'master' of github.com:drphilmarshall/SpaceWarps
Added ROC curves to paper
Initial PL/PD symbols used - to match ROC curve plot legend
Merge branch 'master' of https://github.com/drphilmarshall/SpaceWarps

merges are a good thing