new file:   Lightcatcher100.jpg
	new file:   about.cpp
	new file:   about.h
	new file:   about.qrc
	new file:   about.ui
	new file:   help.cpp
	new file:   help.h
	new file:   help.ui
	modified:   linecalc
	modified:   linecalc.cpp
	modified:   linecalc.h
	modified:   linecalc.pro
	modified:   linecalc.ui
	modified:   ui_linecalc.h
	ui_about.h
	ui_help.h