Change some names from "camldev" to "lemoncaml" (migration still in progress).
Add size and position memorization.
Add license headers in source files, and an about box.

	deleted:    CamlDev.pro.user
	renamed:    CamlDev.pro -> LemonCaml.pro
	modified:   README
	deleted:    about.cpp
	deleted:    about.h
	modified:   camldevsettings.cpp
	modified:   camldevsettings.h
	modified:   camldevwindow.cpp
	modified:   camldevwindow.h
	modified:   highlighter.cpp
	modified:   highlighter.h
	modified:   inputzone.cpp
	modified:   inputzone.h
	modified:   main.cpp