Merge pull request #112 from ly29/master

Animation update.
Layout manager
Merge pull request #113 from ly29/master

Bug fixes
Merge pull request #114 from ly29/master

fix persistent grahpics on reload a file
Box
I don't understand. it is doing wrong!!! why? for simple line and edges, that excegarate vertices number it is ok, but for complex objects it starts shuffle polygons and non of polygons go right.
Edgemode fix
Merge pull request #46 from nortikin/master

sync