Email settings added

Author: echerniak

.travis.yml

@@ -1,10 +1,11 @@
 language: java
 jdk:
-- oraclejdk8
 - openjdk8
 notifications:
+  email:
+    on_success: never
+    on_failure: always
   slack:
+    secure: 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
     on_success: always
     on_failure: always
-    on_pull_requests: true
-    secure: 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