Widened 'Commands' menu + fish logo
fish logo added to FAQ menu
'Commands' menu content aligned with Docs menu
'FAQ' menu content aligned and made 1st order as all entires are long
and wrap.
Completely fixes#1557 and the underlying Doxygen changes that caused
it. Should make fish docs simpler and more robust, more consistent and
generally prettier.
todo:
- trap unmarked text as arguments in context
- test & fix sed portability - see in particular. (so far tested on BSD
(Mac) and GNU sed).
- test Makefile changes
- last round of aesthetic changes and getting that ascii fish in there…
Addresses issue #1557 as well as fixing many typos, HTML errors and
inconsistencies. Also introduces automatic syntax colouring and enables
new documentation to be written in Markdown. TODO fix Tutorial.
