Move logic from main window to individual classes
Merge branch 'master' of github.com:iplayfast/FuzzyBuilder

Conflicts:
	inc/fuzzynode.h
	inc/innode.h
	inc/node.h
	inc/outnode.h
	src/andnode.cpp
	src/fuzzynode.cpp
	src/innode.cpp
	src/mainwindow.cpp
	src/node.cpp