added README to packaging/ folder
documentation updated with info about Nano receivers
updated status_icon to support future appindicator implementation
updated arch packaging scripts with official ones
Merge remote-tracking branch 'origin/master'
fix solaar-cli when no hidraw path given
non-modal about dialog; fixes #46
don't add receivers to the status icon tooltip
about window icon was not displayed
fixed receiver icon in systray menu
fixed items in the systray menu
version 0.8.8.2
commented-out stray print
solaar-cli: fix regression in argument parsing

When no hidraw device is given, `solaar-cli` crashes because `None` is being
indirected. Use the correct action (`store`) to avoid indirecting a list.
devices.md: add reprog keys to feature list, K360
devices/k360: ltunify+solaar-cli output of k360+receiver