org.eclipse.tracecompass.rcp.help
org.eclipse.ui.externaltools.ExternalToolBuilder
clean,full,incremental,
LaunchConfigHandle
<project>/.externalToolBuilders/RCP Help Builder.launch
incclean
true
org.eclipse.pde.ManifestBuilder
org.eclipse.pde.SchemaBuilder
org.eclipse.pde.PluginNature