add run_stat checking

--HG--
branch : algo
clean up run command to check for running time / memory
merge check.float

--HG--
branch : algo
add c++11 support to compile script

--HG--
branch : algo
add options for grading all submissions of a specific problem

--HG--
branch : algo
change memory resolution in report to kbytes

--HG--
branch : algo
change compile to remove package from java
change box command for run script

--HG--
branch : algo
add php

--HG--
branch : algo
adjust time limit, double for ruby,python,php

--HG--
branch : algo
merge

--HG--
branch : algo
add -s clone to run php

--HG--
branch : algo
fix run of php

--HG--
branch : algo
change runtime checking for php,ruby,python

--HG--
branch : algo
update run

--HG--
branch : algo
merge from algo-bm

--HG--
branch : java
add more logging

--HG--
branch : algo
merge

--HG--
branch : java
fix bug

--HG--
branch : algo
merge

--HG--
branch : java
use redirection by system(, {out: , err: }) instead of by > or 2> in the command

--HG--
branch : algo
merge

--HG--
branch : java