change the readme topics
statement
define block class
define constants class
makefile
Receiving area is done
define track class
delete nonuse data
makefile
data read_me
this class is for print out.
this class is for combination
add Hump
modify
modify Test to test
case result
Modify methods
modify some constants
add btt(vector<BlockToTrack>) back
modify make clean, add rm *.csv