Update the Vagrantfile to use bionic beaver and clang 5.0
Update the Vagrantfile to use bionic beaver and clang 5.0

eggrobin/Principia,mockingbirdnest/Principia,eggrobin/Principia,mockingbirdnest/Principia,pleroy/Principia,eggrobin/Principia,pleroy/Principia,pleroy/Principia,mockingbirdnest/Principia,pleroy/Principia,mockingbirdnest/Principia