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On my machine, this gives a ~20% improvement in htop process time use with the default config.

(thanks to Rob Hoelz)

so that home directories can be used with both old and new versions of htop
(see #3496731).

respecting $XDG_CONFIG_HOME 
(thanks to Hadzhimurad Ustarkhan for the suggestion.)

* Performance improvements
* Support for splitting CPU meters into two or four columns
  (thanks to Wim Heirman)
* Switch from PLPA, which is now deprecated, to HWLOC.
* Bring back support for native Linux sched_setaffinity,
  so we don't have to use HWLOC where we don't need to.
* Support for typing in user names and column fields in selection panels.

  (thanks to Sean Noonan)
* Meters update in every screen (no longer halting while on Setup, etc.)

Reduces resulting code size.

When user threads are hidden, process now shows the
sum of processor usage for all processors. When user
threads are displayed, each thread shows its own
processor usage, including the root thread.
(thanks to Bert Wesarg for the report)
Also, add option to display thread colors differently.

accurate description. It is still available in
split time, now called detailed CPU time.
(thanks to Samuel Thibault for the report)

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=420856
(sheesh, the things people get worked up about :) )

(minor modifications: default to false, add help)

- add AllCPUsMeter;
- because of that, the new .htoprc is incompatible with previous released versions.