Do not throw exception if a module root repository does not exist.
Do not throw exception if a module root repository does not exist.

ashwinrayaprolu1984/ringojs,Transcordia/ringojs,ashwinrayaprolu1984/ringojs,Transcordia/ringojs,Transcordia/ringojs,ashwinrayaprolu1984/ringojs,oberhamsi/ringojs,ringo/ringojs,ashwinrayaprolu1984/ringojs,ringo/ringojs,ringo/ringojs,oberhamsi/ringojs,oberhamsi/ringojs,Transcordia/ringojs,ringo/ringojs