DetectorSlinky: Added green end of slinky
DetectorColor::detect: Lowered size of open and close circles
Better for lower resolution frames.
slnkcctr.cpp: Commented out `cap` frame size setting
slnkcctr.cpp: Removed obsolete line
slnkcctr.cpp: Increased frameSize to 640x480
slnkcctr.cpp: Use local WMV file instead of one with absolute path
Ignore the local file.
slnkcctr.cpp: Added real-time FPS control using trackbar