ignore *~ and swp file, add homework4
draw(>>h1) method, output png
Fill method
modify so that we can easily modify hist shape
add comiple flag
add gitignore Makefile; write hist to root file
add git ignore
add signal
add hw4.C
add BW-gaus func, fit and draw
for merge
merge
add TPave,TLegend head file, fix 'h_sig' bug, ingore release dir
remove debug cout
Finish hw1,put dayabay style into common include dir
add changes
Merge branch 'master' of github.com:JiangLuWen/GitTest