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
updated binding.gyp to add BackgroundSubtractor
BackgroundSubtractor added
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
updated BackgroundSubtractor.cc, builds fine now.
Merge pull request #125 from salmanulhaq/BackgroundSubtractor

Background subtractor