Merge pull request #1 from piotrm0/master

added ocamlfind installation and instructions
titles by sections in the Makefile
some links to the documentation of the image type detection functions
added a "README" file
moved to a "src" / "examples" directory hierarchy
adapt file path to the new directory hierarchy
directory includes arguments for compiling with the libs installed
added a root Makefile that calls the one in the "src" directory
lists the persons who contributed to this project