Refactored enable/disable profiling + many minor things.

Now profiling is disabled by default and must be enabled by
either manually, by a test rule or by WithProfiling.in(...).

Failing tests remain.
Refactoring of complexity analysis WIP. Ran into problems.
Removed complexity inference. Too fragile.
Renamed all packages to start with `net.jproffa`.
(remove getTotalCost(classBlacklist) overload)
Set version to 1.1-SNAPSHOT.