Bump models patch 2.2.4-SNAPSHOT

Issue-ID: POLICY-2378
Change-Id: I51c6c57bdcc0299c25b5ee05f47c20f4542bc02d
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/version.properties b/version.properties
index a7658ae..dd0bf5c 100644
--- a/version.properties
+++ b/version.properties
@@ -4,7 +4,7 @@
 
 major=2
 minor=2
-patch=3
+patch=4
 
 base_version=${major}.${minor}.${patch}