Adding the opencsv library
Finish adding the function of recording host information
Finish adding recording host information for two dimensional situation
Adding the generate_pm_utilization.py script for calculate the number of
host in different utilizaiton
Complete adding recording host information function for one and two
dimensinal situation
Finish generate_pm_ratio script
20140919
20140922
data backup
Finish the plot data generation scripts and plot data generation
V2