Log Message:
Update to 2.34
- remove 'pthai-pkg-wordlist and 'pthai-pkg-sample-dictionary, set
  as defaults for 'pthai-dictionary-list. remove some now unneeded
  bootstrap code
- slight cleanups for 'pthai-url-lingopolo
- simplify 'pthai-dictionary-parse-filelist, require version emacs
  27.1 for 'directory-files-recursively
- move 'pthai-dictionary-list to accommodate changes