Nathan Scott

Merged here: htop-dev/htop@fed14a5

Merged here: htop-dev/htop@034e56b

Merged here: htop-dev/htop@e833bf9

Merged here: https://github.com/htop-dev/htop/commit/579995c7c2385b844d81b2508710dcbbe9b0d64f

@zielmicha I believe this PR will need to be reworked to fit in with the code from https://github.com/hishamhm/htop/pull/920 It should simplify the changes needed here immensely - the arcstats file...

Merged here: htop-dev/htop@ed2b779

Merged here: htop-dev/htop@011125d

Merged here: htop-dev/htop@54b6143

Merged here: htop-dev/htop@00d333c

Merged here: htop-dev/htop@9aa8168