use sstream
make graph module individual with c++ builder style
More general low level graph library
Add test module
add test data for MGraph module
change order
update Makefile
rename project name
add mainform, graph_intr form
add new button in graph intro Form
Add toolbar imagelist
add status bar date time
add sort
Support customized sort date
More enhancement for sort module

- Add save dialog button to save sort performance Chart
- Rename Main form name
- first step to add different color for different sort algorithrm
second step to implement color different sort
format source code
add search/replace module
move graph to DSDemo_graph dir
clean up code