pdf-scientific-shapes org.eclipse.wst.common.project.facet.core.builder org.eclipse.jdt.core.javabuilder org.eclipse.m2e.core.maven2Builder org.eclipse.pde.PluginNature org.eclipse.jdt.core.javanature org.eclipse.wst.common.project.facet.core.nature org.eclipse.m2e.core.maven2Nature