ship dtd's too (see loadtime)

build/src/org/aspectj/internal/tools/build/Builder.properties

@@ -13,7 +13,7 @@ skip.libraries=core.jar,graphics.jar,ant.jar,tools.jar,junit.jar,xml-apis.jar,xe
 
 # Ant patterns to gather and omit resources
 # files copied during module jar assembly
-resource.pattern=**/*.txt,**/*.rsc,**/*.gif,**/*.properties,**/*.xml
+resource.pattern=**/*.txt,**/*.rsc,**/*.gif,**/*.properties,**/*.xml,**/*.dtd
 # files not filtered when copied during product assembly
 binarySource.pattern=**/*.rsc,**/*.gif,**/*.jar,**/*.zip
 all.pattern=**/*