Moving mindmap.js -> MindMap.js.
Oops, one more rename.
Moving the mind-map code into its own MindMap object.
Removing "firstCall" hack.
Removing test graph.
Removing original test MindMap, and associated code.
Moving WikiMap.html over to index.html, and back-converting it to .haml.
Removing some test code + nitpicky cleanup.
Removing more debug code; fixing some tabs.
Removing debug feature.
Making old graph edges go away when we re-initialize the graph.
Merge branch 'code-cleanup'