Good bye hexchat, hello weechat

dotfiles/i3/config

 exec "dunst"
 exec "psi-plus"
 exec "dropbox start"
-exec "hexchat --minimize=2"
+exec "urxvt -e weechat"
 exec "nm-applet"
 exec "shutter --min_at_startup"
 exec "tasknag -R"