com.minres.scviewer.database org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.pde.ds.core.builder org.eclipse.m2e.core.maven2Builder org.eclipse.m2e.core.maven2Nature org.eclipse.pde.PluginNature org.eclipse.jdt.core.javanature