gridworks appengine
org.eclipse.jdt.core.javabuilder
org.eclipse.ui.externaltools.ExternalToolBuilder
full,incremental,
LaunchConfigHandle
<project>/.externalToolBuilders/com.google.gdt.eclipse.core.webAppProjectValidator.launch
com.google.appengine.eclipse.core.enhancerbuilder
org.eclipse.ui.externaltools.ExternalToolBuilder
full,incremental,
LaunchConfigHandle
<project>/.externalToolBuilders/com.google.appengine.eclipse.core.projectValidator.launch
org.eclipse.jdt.core.javanature
com.google.appengine.eclipse.core.gaeNature