move erlide_util to kernel.common
prepare v0.29.4
v0.29.4
v0.29.4
gh198: OTP version is not properly detected
fix publishing of update site zip
removed unused method in ScannerService
add NullScannerService
lower timeout for checking runtime status
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