Updated tk-core/apps/engines/frameworks to latest versions

tk-core
- Improved logging on tank commands.
- Fixes an issue where clicking the 'Documentation' button in an app's
info sidebar wasn't working
- Added style sheet file watchers for interactive styling when
developing apps.

tk-desktop
- Ensures widget instance is properly returned from show_panel

tk-houdini
- Fixes to improve compatibility with Houdini 16.

tk-maya
- Shotgun menu improvements

tk-nuke
- Fixed a crash on close in Nuke 11 on Linux.

Author: mathurf

core/core_api.yml

@@ -14,4 +14,4 @@
 location:
   type: app_store
   name: tk-core
-  version: v0.18.101
+  version: v0.18.104

env/includes/common/apps.yml

@@ -25,7 +25,7 @@ common.apps.tk-multi-about:
 
 common.apps.tk-multi-pythonconsole:
   location:
-    version: v1.1.0
+    version: v1.1.1
     type: app_store
     name: tk-multi-pythonconsole
 
@@ -39,12 +39,12 @@ common.apps.tk-multi-publish2.location:
 common.apps.tk-multi-loader2.location:
   type: app_store
   name: tk-multi-loader2
-  version: v1.17.3
+  version: v1.17.5
 
 common.apps.tk-multi-shotgunpanel.location:
   type: app_store
   name: tk-multi-shotgunpanel
-  version: v1.4.4
+  version: v1.4.7
 
 common.apps.tk-multi-launchapp.location:
   type: app_store

env/includes/common/engines.yml

@@ -21,31 +21,31 @@ common.engines.tk-3dsmaxplus.location:
 common.engines.tk-houdini.location:
     type: app_store
     name: tk-houdini
-    version: v1.2.2
+    version: v1.2.7
 
 # Maya
 common.engines.tk-maya.location:
     type: app_store
     name: tk-maya
-    version: v0.8.1
+    version: v0.8.2
 
 # Nuke
 common.engines.tk-nuke.location:
     type: app_store
     name: tk-nuke
-    version: v0.8.2
+    version: v0.8.5
 
 # Photoshop
 common.engines.tk-photoshopcc.location:
     type: app_store
     name: tk-photoshopcc
-    version: v1.1.5
+    version: v1.1.7
 
 # Flame
 common.engines.tk-flame.location:
     type: app_store
     name: tk-flame
-    version: v1.9.4
+    version: v1.9.6
 
 # Desktop
 common.engines.tk-desktop.location:

env/includes/common/frameworks.yml

@@ -14,7 +14,7 @@
 frameworks:
   tk-framework-qtwidgets_v2.x.x:
     location:
-      version: v2.6.3
+      version: v2.6.5
       type: app_store
       name: tk-framework-qtwidgets
   tk-framework-shotgunutils_v4.x.x:
@@ -24,7 +24,7 @@ frameworks:
       name: tk-framework-shotgunutils
   tk-framework-shotgunutils_v5.x.x:
     location:
-      version: v5.2.1
+      version: v5.2.2
       type: app_store
       name: tk-framework-shotgunutils
   tk-framework-adminui_v0.x.x: