DOC-1101: new ditamap and files from the admin guide.
DOC-1101: new ditamap structure and intro for HTML output.
DOC-972: Updating file with note for Debian images.
DOC-1047: Fixed colwidth, but DITA-OT has limited support. So I created a line break in the code example.
Minor edit to <shortdesc>.
DOC-1051: rewriting step 14.
Minor edits.
Merge branch '3.4.1-dev' into 3.4
Merge branch '3.4'