Upgrade springframework 4.3.18.RELEASE

To resolve security issue for 4.3.15.RELEASE and also
have a single place where the dependency is defined for
the sub-modules.

NOTE: 4.2.0.RELEASE is left alone in Policy SDK App
due to Portal SDK dependency.

Issue-ID: POLICY-1063
Change-Id: Ibdc464b16b4771faccb2c8c472efa7fbcbf3352c
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/.gitignore b/.gitignore
index 51ab338..7df831f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,3 +63,4 @@
 PolicyEngineAPI/POLICY_LOGS_IS_UNDEFINED/
 PolicyEngineUtils/logs/
 ONAP-REST/logs/common-modules/integrity-monitor/*.log
+ONAP-SDK-APP/POLICY_LOGS_IS_UNDEFINED