Incorporate final round of rcm(7) feedback
Incorporate final round of rcm(7) feedback

Some good suggestions from Rebecca Meritz (@rmeritz) again, including
having the tag, host, and multiple dirs sections use enumerated lists
like the quick start sections, and using the phrase "common problems"
instead of "caveats".

devm33/rcm,TheLinuxKitten/rcm,zachlatta/rcm,ali/rcm,ali/rcm,zachlatta/rcm,Frost/rcm,tejasmanohar/rcm,ali/rcm,fgandellini/rcm,Frost/rcm,zachlatta/rcm,TheLinuxKitten/rcm,tejasmanohar/rcm,TheLinuxKitten/rcm,zachlatta/rcm,fgandellini/rcm,devm33/rcm,fgandellini/rcm,fgandellini/rcm,tejasmanohar/rcm,Frost/rcm,thoughtbot/rcm,TheLinuxKitten/rcm,ali/rcm,thoughtbot/rcm,thoughtbot/rcm,tejasmanohar/rcm,devm33/rcm,devm33/rcm,Frost/rcm