install haveged to provide enough entropy during integration tests

Author: overheadhunter

.travis.yml

@@ -10,6 +10,7 @@ env:
   - secure: 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 # MAVEN_OSSRH_PASSWORD
   - secure: 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 #COVERITY_SCAN_TOKEN
 install:
+- sudo apt-get install haveged
 - mvn dependency:go-offline -Pdependency-check
 - mvn dependency:go-offline -Pcoverage
 - mvn source:help javadoc:help dependency:go-offline -Prelease