shape drawing was removed

shape drawing no longer works.  the inital code for it can be found here.  it will need some changes before its is considered fit to add back.

https://github.com/bitcraft/pyscroll/commit/3e4586aec39e17c1f0e72a355631a5803e20e65d#diff-f328b24d0982fe3d3ded58bb1abfc535bc9a40aa225288e02252b13d65e4205fR271