Removed rotation checking

Doesn't seem to work
Created add generation button
Add generation btn works from 0 generations
Added output to tikz
Added connection points with flavours
Added flavour text to images
Removed unused gui buttons
Fixed connection point drawing with pan
Added test svg output
Added svg output to gui
Added merging polygons by lines
Improved polygon merging
Potential fix to inside lines not being created
Added arrows to tikz

doesn't detect parents properly
Fixed multipoly identification
Temp
Added tetris packing

Only places 1 block
SVG output draws to sheet
Tetris co-ordinates wrong way round
Fixes to tetris placement