Release notes for MHEG5 in version 22.11.0:

**Fixed:**

  * mantis-1156 - Downloadable Fonts should always be supported, but is never supported
  * mantis-1155 - When not got network connection, DTG test IC003, scene 2 could get crash.
  * mantis-1154 - A crash can occur, if CI-CAM returns error for file  request
  * mantis-988 - make clean throws up error messages, and sometimes does not clean build folder
  * mantis-1041 - Add U64BIT / S64BIT types to techtype.h
  * mantis-1153 - API headers that are common with other modules not in sync