Hotfix/v5.0.3

Feature/ooxmlsign

crypto fix padding size

* 'develop' of https://github.com/ONLYOFFICE/core:
  x2t binary - fix convert ole without vml drawing
  OdsFormat - fix absolute anchor for ole
  XlsFormat - activeX, controls & ole embedded & links
  xml string as second command-line param(first - path to xml)
  .
  --all-fonts-path param
  Added empty files
  v8 (windows correct)
  Added docbuilder target