hupa
org.eclipse.jdt.core.javabuilder
com.google.gdt.eclipse.core.webAppProjectValidator
com.google.gwt.eclipse.core.gwtProjectValidator
org.maven.ide.eclipse.maven2Builder
org.maven.ide.eclipse.maven2Nature
org.eclipse.jdt.core.javanature
com.google.gwt.eclipse.core.gwtNature
com.google.gdt.eclipse.core.webAppNature