- update for 1.5 (still more MD stuff to check)
- use new macros in ../common/macros as appropriate
- introduce some CONSISTENCY between the various ports' install docs
- use various mdoc macros as appropriate, including .Li, .Pa, .Sy, and .Ic.
- migrate more stuff into ../common/*
- whitespace cleanup
- lots of other little things i'm sure...
since
- it broke context of sentence in i386 port.
- it seems to better to have port specific legal notice in
port specific place from maintenance point of view.