Set mail using localhost & added mail template in kustvakt config.

Change-Id: I41eea78cf1fb19b44f46411e25ecb27b52c74982
diff --git a/core/pom.xml b/core/pom.xml
index 9089163..ee9b4b0 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -108,7 +108,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.19.1</version>
+				<version>2.20.1</version>
 
 				<configuration>
 					<reuseForks>false</reuseForks>