reporting: @objArray: change numObjs to numObjArray to conform with other numClass methods
reporting: @seriesElements: rename numElements to numSeriesElements to conform with other numClass methods
reporting: centralize/automate display.m
reporting: use matlab2tikz when using Octave w OS X
reporting: @report: simplify test for os x
reporting: @report: bug fix: test for os x on octave