migrating doc version to 4.4 which processes codes more cleanly, fixing code that results in obvious compile errors, moved cvstag lines to within authorblurb tags for context and also puts the tag at the first/top of a chunked file set instead of at the bottom page of the last one.., updated docbook-primer.xml grammar and tag usage
fix a missing /sect1 in tutorial-advanced and shuffle around and bring up to date the package file details. Mention callbacks in the package creation list