Merge pull request #12 from hybridgroup/master

Adds PWM functionality in a per pin basis instead of locking all of them as PWM outputs.
Add revision detection

rev. A = 1
rev. B = 2

Addresses issue #20 and #8.
Space indentation instead of tabs
Do not re-initialize GPIO pins every time

Addresses issue #21 and #17.
Merge pull request #23 from githubnemo/flicker-fix

Do not re-initialize GPIO pins every time
Merge pull request #22 from githubnemo/master

Add revision detection
Add dogecoin donation address
autotools: Add autotools support for cross-compilation

Signed-off-by: Alex Lennon <ajlennon@dynamicdevices.co.uk>
Merge pull request #25 from DynamicDevices/master

autotools: Add autotools support for cross-compilation
Add systemd service
Update configure and makefile
Update README
Merge pull request #26 from LaraContrib/master

Add systemd support