normalize lines
Added medianBlur and bilateralFilter
putText with font and color support
thickness in contour drawing

Add optional line thickness arg in drawContours and drawAllContours
Merge pull request #122 from jhludwig/contour_thickness

thickness in contour drawing
Merge pull request #121 from morganrallen/putText

Put text
Merge pull request #118 from ytham/blur

Added medianBlur and bilateralFilter
Merge pull request #125 from salmanulhaq/BackgroundSubtractor

Background subtractor
updated BackgroundSubtractor to work with OpenCV 2.4.X instead of 3.0.0
Merge branch 'master' of github.com:peterbraden/node-opencv into BackgroundSubtractor