[gimp-help] (13 commits) ...build: add --base path to XML2POFLAGS

[Jacob Boerema <jboerema src gnome org>]

Summary of changes:

  c5079e9... tools: start migration to python3 by running 2to3 (*)
  5f77ee6... tools: port show_translation_progress.py to python 3 (*)
  6528f90... tools: update readme for using the tools. (*)
  299cfb7... tools: complete port of xml2po to python3 (*)
  b2d8952... tools: also update docbook.py to python3. (*)
  6ab2a0c... tools: port show_translation_progress.py to python3 (*)
  2942abc... tools: update tools readme a bit. (*)
  3f5f3ee... xml2po: print XML warnings and error relating to one transl (*)
  d86e9f0... Fix: incorrect computation of total help-ids for languages  (*)
  10804f5... Update tools readme. (*)
  b6589cb... tools: Show error when no input XML file is specified for x (*)
  2424fec... tools: add --base option in xml2po to set base path from bu (*)
  21ecde3... build: add --base path to XML2POFLAGS (*)

(*) This commit already existed in another branch; no separate mail sent