Rework CryptoUtils

CryptoUtils now takes the key from a file located in the resource not 
in spring file

Change-Id: I002978d292550e6173efb4324cbb977f35d7e753
Issue-ID: CLAMP-74
Signed-off-by: Determe, Sebastien (sd378r) <sd378r@intl.att.com>
diff --git a/src/main/resources/clds/clds-policy-config.properties b/src/main/resources/clds/clds-policy-config.properties
index b812ffa..54b9277 100644
--- a/src/main/resources/clds/clds-policy-config.properties
+++ b/src/main/resources/clds/clds-policy-config.properties
@@ -20,6 +20,7 @@
 # ===================================================================
 # ECOMP is a trademark and service mark of AT&T Intellectual Property.
 ###
+
 # Configuration Settings for Policy Engine Components
 PDP_URL1=http://vm1.policy.simpledemo.onap.org:8081/pdp/ , testpdp, alpha123
 PDP_URL2=http://vm1.policy.simpledemo.onap.org:8081/pdp/ , testpdp, alpha123
@@ -28,7 +29,8 @@
 NOTIFICATION_TOPIC=
 CLIENT_ID=myclientid
 # base64 encoding
-CLIENT_KEY=ChlakDuk
+#CLIENT_KEY=ChlakDuk
+CLIENT_KEY=5CE79532B3A2CB4D132FC0C04BF916A7
 #DEVL for development
 #TEST for Test environments
 #PROD for prod environments