clarified undefined_blobs: already loaded theories are suppressed;
enabled jedit_auto_resolve (again): e.g. relevant for debugging when following links through source files;
src/Pure
src/FOL
src/HOL
src/ZF
src/CCL
src/CTT
src/Cube
src/FOLP
src/LCF
src/Sequents
src/Doc
src/Tools