Implemented loading VC from gz files & updated OAuth2 expiry check.

Change-Id: I01c607b86b992526400a3df9c5a66fa6211f4ac8
diff --git a/full/src/test/resources/test-hibernate.properties b/full/src/test/resources/test-hibernate.properties
index 161b737..199dc73 100644
--- a/full/src/test/resources/test-hibernate.properties
+++ b/full/src/test/resources/test-hibernate.properties
@@ -4,4 +4,5 @@
 hibernate.cache.use_query_cache=false
 hibernate.cache.use_second_level_cache=false
 hibernate.cache.provider=org.hibernate.cache.EhCacheProvider
-hibernate.cache.region.factory=org.hibernate.cache.ehcache.EhCacheRegionFactory
\ No newline at end of file
+hibernate.cache.region.factory=org.hibernate.cache.ehcache.EhCacheRegionFactory
+hibernate.jdbc.time_zone=UTC
\ No newline at end of file