v2.2.0 - Bug Fixes

Hey there,
this release comes with some minor bug fixes:

• /roadmap editmode showed wrong messages (#24)
• /roadmap editmode <roadmap> with unknown roadmap as argument threw NullPointerException and showed no error message (#22)
• /roadmap create did show a wrong message on duplicate key (#21)
• An error occurred when trying to disconnect a node from all its adjacent nodes (#19)
• CompassVisualizers had 20 Ticks as default interval, changed to 1 Tick. (much smoother)

Full Changelog: v2.1.0...v2.2.0