only print traffic if traffic not 0 & var others

modified:   .config/coc/extensions/db.json
	modified:   .config/ncmpcpp/config
	modified:   .config/qutebrowser/quickmarks
       	modified:   .local/bin/bt
	modified:   .local/bin/statusbar/nettraf

.config/coc/extensions/db.json

@@ -1,3 +1,3 @@
 {
-  "lastUpdate": 1594016620119
+  "lastUpdate": 1594097478969
 }

.config/ncmpcpp/config

@@ -30,7 +30,7 @@ lyrics_directory = ~/.config/lyrics
 #
 ## Needed for tag editor and file operations to work.
 ##
-mpd_music_dir = "~/msc"
+mpd_music_dir = "~/drv/Music"
 #
 #mpd_crossfade_time = 5
 #

.config/qutebrowser/quickmarks

@@ -4,3 +4,4 @@ moo https://moodle-app2.let.ethz.ch/
 riot https://riot.im/app/#/room/!TVGuLdRkkENrCZonlF:matrix.org
 fit https://boards.4channel.org/fit/
 wsg https://boards.4channel.org/wsg/
+mad https://www.cse-lab.ethz.ch/teaching/mad_fs20/