[minor] Latest tk-core and tk-desktop2

A minor regression fix with tank validate, and an icon change for tk-desktop2.

Author: Jeff Beeland

core/core_api.yml

@@ -14,5 +14,5 @@
 location:
   type: app_store
   name: tk-core
-  version: v0.18.159
+  version: v0.18.160
 

env/includes/common/engines.yml

@@ -57,7 +57,7 @@ common.engines.tk-desktop.location:
 common.engines.tk-desktop2.location:
   type: app_store
   name: tk-desktop2
-  version: v0.3.1
+  version: v1.0.1
 
 # Shell
 common.engines.tk-shell.location: