Merge pull request #108 from ytham/master

Add matchTemplate and minMaxLoc for template matching
Allow args for HoughLinesP
Merge pull request #112 from clkao/HoughLinesP-args

Allow args for HoughLinesP
added adaptiveThreshold
fix tabbing
Merge pull request #113 from morganrallen/adaptiveThreshold

Adaptive threshold
Update to 0.5.0