Add two new effects: Vortex & Raindrops (#66)



Co-authored-by: Johannes Maron <johannes@maron.family>

Add update dialog and forward to GitHub releases

Update Makefile to support Processing v4

Use MONO input to support latest mac books

Update Processing to version 3.4

Bump version number

Fix releasae command

Bump version number

MusicBeam v2.3.0

* Remove code unsigning
* Update Processing to version 3.3.5
* Refactor release processe

Update Processing to v3.3