Updated tk-multi-shotgunpanel to v1.7.0

Release notes: https://github.com/shotgunsoftware/tk-multi-shotgunpanel/wiki/Release-Notes#v170

Author: Jean-François Boismenu

env/includes/common/apps.yml

@@ -50,7 +50,7 @@ common.apps.tk-multi-loader2.location:
 common.apps.tk-multi-shotgunpanel.location:
   type: app_store
   name: tk-multi-shotgunpanel
-  version: v1.6.4
+  version: v1.7.0
 
 common.apps.tk-multi-launchapp.location:
   type: app_store