First Makefile version
Switch to Makefile builds

 - Drop compile.sh script
 - Changes to polcolomer's Makefile:
    * Do not depend on VPATH
    * Objects created in obj/ directory
    * Added "-f" in rm command to avoid warning of non existent files

Signed-off-by: Sergio Oller <sergioller@gmail.com>
Free RNG instance (memory leak)
Merge pull request #1 from zeehio/master

Switch bash script to Makefile