Add DefCore Progress Update Meeting.

The wiki page is confusing and the agenda details lacking.

Looking at https://etherpad.openstack.org/p/DefCoreScale.13 indicates the
meeting active and current.

Change-Id: I86cea3498004634efec439741339a19d9dbe9332

meetings/defcore-progress-update.yaml

@@ -0,0 +1,9 @@
+project:  DefCore Progress Update Meeting
+schedule:
+  - time:       '1700'
+    irc:        (nil)
+    day:        Tuesday
+    frequency:  weekly
+chair:  Rob Hirschfeld & Egle Sigler
+description:  >
+  DefCore Progress update meetings FIXME