Geometry: Adding BoxedCollection

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>
Geometry: Adding box_around

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>
QuadTree API Introduction

Signed-off-by: Romain Chanoir <chanoir.romain@courrier.uqam.ca>