differentiate between local and remote SMT solvers (e.g., "z3" vs. "remote_z3");
turned individual SMT solvers into components;
made CVC3 the default SMT solver (Z3 is licensed as "non-commercial only");
tuned smt_filter interface
#contributed components
contrib/cvc3-2.2
contrib/e-1.2
contrib/jedit-4.3.2
contrib/kodkodi-1.2.16
contrib/spass-3.7
contrib/scala-2.8.0.RC5
contrib/vampire-1.0
contrib/z3-2.15