Added modeline string into every c and h file

Samo Penic

2016-03-02 7f607660a91b969daa19dbdb62628691bfee8f7e

 src/timestep.c

@@ -1,3 +1,4 @@
/* vim: set ts=4 sts=4 sw=4 noet : */
#include<stdlib.h>
#include<stdio.h>
#include<math.h>