0.5.0

• plugins/{inotify,udev}: support for push_timeout() function
• plugins/backlight-linux: return 'tbl.cb(nil)' rather than 'nil'
• plugins/imap/imap.lua: slightly fix content caching logic
• plugins/network-linux: fix double free of 'nl_msg'
• plugins/network-linux: fix 'signal_dbm' not updating
• plugins/alsa/alsa.c: support for timeout option
• plugins/fs: support for globbing (globs option)
• plugins/battery-linux: major rewrite
• plugins/xkb: support for monitoring LED indicators
• plugins/xkb: report 'requery' flag
• examples/{i3,dwm}/weather.lua: new examples
• debain/: add Debian build scripts