Add Makefile & cuter.erl

Create a configure script and a Makefile.
Add a template cuter.erl with a header file (cuter_macros.hrl).
Add eunit testsuite for cuter.erl
Add cerl parsing & compiling module

Compile a module's source code to Core Erlang (AST Representation).
Also add unit tests.
Add a codeserver module

A gen_server to act as a Core Erlang codeserver.
Also add unit tests.