Move Javascript meeting from 1400 to 1500

Propose moving Javascript meeting from 1400 to 1500 so that it frees
up a weekly slot in #openstack-meeting on the busy Wednesday 1400
utc time slot.

Change-Id: I615ce0f4c7eab5c61762a9257a31e763420cbbbf

meetings/javascript-meeting.yaml

@@ -1,11 +1,11 @@
 project:  JavaScript SDK & Tooling Meeting
 meeting_id: javascript
 schedule:
-  - time:       '1400'
+  - time:       '1500'
     day:        Wednesday
     irc:        openstack-meeting
     frequency:  biweekly-even
-    start_date: 20160622
+    start_date: 20161214
 agenda_url: https://etherpad.openstack.org/p/javascript-meeting
 chair: Michael Krotscheck (krotscheck), Vitaly Kramskikh (vkramskikh), Corentin Ardeois (cardeois)
 description: >