Added command block

This release contains a new block written by @mroote that allows arbitrary commands to be executed.

While the stated goal of Goblocks is to have minimal reliance on external processes, the command block can be useful for certain kinds of functionality where calling an external process is unavoidable and minimal output parsing is needed.

Allow amixer device and channel to be configurable

This release includes changes from @zdykstra to allow the amixer device name to be configurable, allowing pulseaudio volumes to be monitored. Additionally, the amixer channel name has been made configurable.

Added more info to the network interface module

This release includes updates to the network interface to allow more information to be displayed, courtesy of @4xoc.

Added uptime module with custom duration formatting

This release includes an uptime module written by @MagiCrazy that can display custom duration formats using the go-durationfmt library.

README updated to include AUR package

1.0.2

README: added AUR package

README updates

1.0.1

README: added optional dep info

First release

Merge pull request #7 from davidscholberg/key-indicator

Key indicator