annogen browser extensions work around Firefox issue that can cause all text in startup page to say undefined

annogen browser extensions: call it annotate-dat.txt instead of data.txt to avoid confusing Firefox reviewers

annogen browser extensions: split off data to separate file + avoid Function constructor, innerHTML & outerHTML (to meet Firefox store requirements)

annogen: avert js-utf8 NFD issues; fix js zlib copyP-desync regression but warn about unresolved JS zlib issues

annogen: avert js-utf8 NFD issues; fix js zlib copyP-desync regression but warn about unresolved JS zlib issues

annogen fix post-normalise yarowsky glitch + add opcode compaction to Python runtime (helps debug others)