CS says it always has new content for cache time

docs/changelog/7.x.x.txt

@@ -7,6 +7,7 @@
  - fix: graphing doesn't work with GraphicsMagick
  - fix: Calendar generated iCal for last 30 days instead of next 30 days
  - fix: hover help doesn't appear for matrix fields
+ - Collaboration systems should always tell browser there is new content
 
 7.4.8
  - fix: Syndicated Content doesn't display all items with multiple feeds in interleaved mode

lib/WebGUI/Asset/Post.pm

@@ -311,6 +311,12 @@ sub formatContent {
         return $msg;
 }
 
+#-------------------------------------------------------------------
+# Too slow to try to find out children, just always assume new data
+sub getContentLastModified {
+    return time();
+}
+
 #-------------------------------------------------------------------
 sub getAutoCommitWorkflowId {
 	my $self = shift;

lib/WebGUI/Asset/Wobject/Collaboration.pm

@@ -753,6 +753,12 @@ sub duplicate {
 	return $newAsset;
 }
 
+#-------------------------------------------------------------------
+# Too slow to try to find out children, just always assume new data
+sub getContentLastModified {
+    return time();
+}
+
 #-------------------------------------------------------------------
 sub getEditTabs {
 	my $self = shift;