lots of small changes to get remove and adding to work correctly
Merge branch 'v0.2' of https://github.com/GraphAlchemist/Alchemy into v0.2
started to add drawNode class to mirror drawEdge class, need to hook it up....
integrated a drawNode class to mirror drawEdge
update node functionality added and node captions now update when properties are changed in editor

removing old code, reverting sample data
Merge pull request #279 from ifjorissen/v0.2

V0.2