ignored the .cache file
added an implementation of a line intersection algorithm I read about
and a bit of code to visualize it
auto formated some files
Merge remote-tracking branch 'origin/master'

Conflicts:
	LearningScala/.cache
	LearningScala/src/whaleberg/test/PathPanel.scala
	LearningScala/src/whaleberg/test/PointsPanel.scala
	LearningScala/src/whaleberg/test/ui/MapApp.scala