Make the grid help print to standaard out only, and not a weird mixture of Standard Error and Standard out which makes it impossible to pipe to less. Minor refactor on RemoteControlLauncher.printWrappedErrorLine to remove the duplicate code in GridDocHelper.java

Signed-off-by: Luke Inman-Semerau <luke.semerau@gmail.com>
Servlets only apply to HUB and not the node

Signed-off-by: Luke Inman-Semerau <luke.semerau@gmail.com>
usage / help text should go to stdout not stderr