Update Chart version for Dublin Release

All charts are being bumped from 3.0.0 to 4.0.0 for the Dublin release.
In addition the requirement.yaml files have been updated to allow for
chart versions that include timestamp suffix. A following on patch will
take care of changes to the OOM Makefiles to support injection of the
timestamp versions.

Change-Id: Ie03d86fad2027e975e8b9106e3a828e4335037cb
Issue-ID: OOM-1642
Signed-off-by: Mike Elliott <mike.elliott@amdocs.com>
diff --git a/Chart.yaml b/Chart.yaml
index 6de2f28..b7bfb7f 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -16,4 +16,4 @@
 apiVersion: v1
 description: ONAP Application Authorization Framework
 name: aaf
-version: 3.0.0
+version: 4.0.0