2.0.0 Build

Version bump

Buold 1.6.1

Closes caffeinalab#13 and v1.6.0

1.5.0 build

Merge pull request caffeinalab#17 from netoramalho/master

Add features to cancel notifications

Updated README

Adding 1.2.0 builds

Callback called when app in background

When the app was in background but not killed and a click on the tray occurs, no callback were called.
This Closes caffeinalab#3.

Added dists