Partway through an update to the layout engine for rotation.
Minor fix to transitional layout system.
Moved layout handling into a manager so we can access it from multiple threads.  Formalized the managers in the scene.
Tweaked the label display a bit.
Active screen labels now support layout.
Moved shape support into its own manager.
Moved markers over to a manager.
Fixed a bad merge in the label renderer.
Switched tesselation over to GLU.
Added GLUES
Merge
Merged files back in.
Finished integration of glues.
Fixed a core leak in the new font handling.
Renamed the change list.  Moved labels and vectors over to new manager infrastructure.
Added type query to vector object.
Can now apply sub texture to just part of a drawable.  Spherical earth quad layer can now take an image type to cut down on texture memory.  The tile quad loader can be given a texture atlas size (to cut down memory use).Fixed a bug in the dynamic texture atlas for 565.  Font based label layout working better.  Found a layer view watcher edge case.
Merge branch 'develop' of git+ssh://github.com/mousebird/WhirlyGlobe into develop
Switched the chunks over to a manager.
Switched active objects over to managers.