angular.js org.eclipse.wst.jsdt.core.javascriptValidator org.eclipse.ui.externaltools.ExternalToolBuilder auto,full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/docs.launch org.eclipse.ui.externaltools.ExternalToolBuilder auto,full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/JSTD_Tests.launch org.eclipse.wst.jsdt.core.jsNature