Log Message:
i3status: update to 2.13.

2019-06-30 i3status 2.13

 • add memory module
 • add read_file module
 • drop CAP_NET_ADMIN (not needed on Linux ≥ 2.6.37)
 • switch to autotools
 • battery: hide seconds by default
 • wireless: add format_quality
 • doc: clarify min_width not being supported with dzen2/xmobar
 • battery: read multiple batteries on DragonFlyBSD
 • make: don’t use pulseaudio on DragonFlyBSD
 • wireless: detect interface type on DragonFlyBSD
 • cpu usage: fix: correctly print usage for cpu 10
 • cpu usage: fix: correctly print for invalid %cpu placeholder
 • cpu usage: support non-consecutive CPUs
 • time: add only_when_tz_different option
 • ethernet: add %interface
 • ethernet: fix speed display for 100 Gbit/s cards
 • battery: handle POWER_SUPPLY_STATUS=Not charging
 • volume: provide more natural volume percentage with ALSA
 • volume: fix ALSA capture device monitoring
 • volume: implement %devicename for PulseAudio and ALSA
 • config: re-arrange disk after network interfaces
 • fix: include sys/socket.h on macOS
 • fix: strip network interface labels
 • fix glob(3) error handling
 • various testsuite improvements
 • switch to clang-format-3.8