Add a launcher configuration for build.

Make Handbook.launch

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.ui.externaltools.ProgramLaunchConfigurationType">
+<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${container}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LAUNCH_CONFIGURATION_BUILD_SCOPE" value="${none}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="/bin/make"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/Eclipse Project Handbook/source}"/>
+</launchConfiguration>