Adjusted some names to naming conventions.

Some renaming and abstraction are left to do.
Added the guidelines for contributing.
Merge branch 'master' of gcmalloc

Corrected some naming conventions, and added some kind of genericity for
python.
By the way, the tests fail.

Conflicts:
	Makefile
Added one whitespace.
Another stupid guy said something stupid.
Someone stop him, please.
Yesterday was a good day
putting echo into a variable