Merge branch 'maptools'

Added edge parsing/drawing code

Map selection updates hierarchy tree

Added node selection capabilities

Minor reorg

Moved dot generation to SvgSubItem

Cleaned up fonts

Now draws nodes with new renderer, plus AA

New renderer draws node ellipses

Begun work on reorganizing map widget

Added 'set spawn point'

Minor consistency fixes

Added full moveDown functionality

Finished deep Move Up operation

Cleaned up game loop and added some input error checking