Use the common documentation glossary.
Move entries from ch_glossary to the common documentation glossary and
add glossterm so that the entry gets displayed in the glossary.
Remove entries from the Arch Design specific glossary that are fully
explained in the text.
Remove entries that are already in the common glossary and add glossterm
for them in the text.
Add glossary as final chapter to the manual.
The remaining glossary entries need some further discussion.
Change-Id: Ic82ae5235e1306fc13be81fa4971710321da5072
20d15b80df