1st commit. Read the matrix from files + check symmetric
add sample input file
add some supporting function for checking matrix
finish the skeleton of the program
change the example file
fix the bug of reading file. But still has bug when size of matrix is greater than 3
the bug in previous commit is because of loop in graphical model. Code has been cleaned and added some comments
Merge branch 'master' of https://github.com/tndoan/LM_GaBP
organize the source folder