Upgrade Font Awesome to 5.6.3

todo

@@ -4,8 +4,8 @@ To Do List
 - Radio button projects
 - Hover on track segments
 - Table for images
-- Static map in backend
+- Static maps in backend
 - Device/Spot Class
 - Manage projects.timezone
 - Remove files2/ on server
-- suffixes on js files with timestamp
+- replace message ID with project ID / Message ID on display