Octave 3.2 compatibility fix
Octave 3.2 compatibility fix

- Added a fix for Octave 3.2 to not crash on 1x0 matrix
  This makes the following test cases pass on Octave 3.2 now:
  - 12: zoom
  - 13: quiveroverlap
  - 14: quiverplot
  - 21: stemplot
  - 47: mixedBarLine
- Made outdated version warning 80 characters wide to fit on 80x25 screen
  without ugly line breaks

matlab2tikz/matlab2tikz,okomarov/matlab2tikz,LJeub/matlab2tikz,PeterPablo/matlab2tikz,okomarov/matlab2tikz,miscco/matlab2tikz,egeerardyn/matlab2tikz,RPeschke/matlab2tikz,nidrosianDeath/matlab2tikz,matlab2tikz/matlab2tikz,egeerardyn/matlab2tikz