Added Quadtree and Octree implementation in one.
Switched to latest version of gestalt-module.
Removed extra date/release information from version number.
Changed engine version to snapshot.
Changed core version to snapshot.
Merge pull request #1350 from immortius/versioning-fix

Switched to latest version of gestalt-module.
Merge pull request #1347 from MarcinSc/develop

Added Quadtree and Octree implementation in one.