extract shell.open from constructor
export only the pid of the runtime's event box
remove ErlSystemStatus and friends

The data is not as useful as expected.
simplify IErlRuntime
extract runtime utilities to separate classes
improve checking for epmd
small improvements in runtime
LocalNodeCreator runs synchronously
cleanup DebuggerEventDaemon
cleanup ErlangLaunchDelegate
remove ErtsProcess, can use RuntimeProcess directly
expose ErlRuntime as API and remove factory
simplify runtime connection
eliminate warning
rename RpcSite to OtpRpc
delete IRpcFuture, use RpcFuture directly
rename ErlRuntime to OtpNodeProxy
simplify launching nodes
Merge branch 'startup' into pu