Traits dosen't work when used in non-main module

[albertnetymk]

-- trait_import.enc
import trait_import_module
class Main {
  def main() : void {
    print 1;
  }
}

passive class Foo : Reagent {
}

-- trait_import_module.enc
trait Reagent {
  def react() : void {
    ();
  }
}

passive class Foo2 : Reagent {
}

encore -c fails with sth like:

error: use of undeclared identifier '_enc__method_Foo2_react';

[albertnetymk]

#285 should fix this.

[EliasC]

Fixed as of 2d928e8