Introduced some of scarracs fixes.
Now using less pointers...
Added check if linesegment is empty.
Some variable renaming and code restyling.
Edgels are now displayed for debug reasons.
Fixed EDL::getDirection().
Now loading image in grayscale.
Fixed anchor point computation.
Now resetting line segment angle when new segment begins.
Introduced blurring of the image for EDL.
Removed debug output of EDL::isAligned().
Fixed outOfBounds check in walkFromAnchor iteration.
Extended routeAnchors test.
Fixed bug when changing subDirection in EDL::walkFromAnchor().

Now reusing the first linesegment (in which anchorPoint resides) when the direction is changed.
Now rendering lines in random colors.
"Fixed" lineSegmentAngle when direction is changed in EDL::walkFromAnchor().
Fixed EDLTest::routeAnchorsTest().
Removed some debug output and variables.
Merge pull request #3 from FormSeher/edl-fixes

Merge fixed EDL into master.