Update travis scripts

- Split sonarqube goal into its own script. Now sonar runs only
  after unit tests succeed.

.travis.yml

@@ -19,6 +19,7 @@ jobs:
         name: "Unit tests"
         before_script: bash scripts/prepareTestEnv.sh
         script: bash scripts/runTests.sh
+	after_success: bash scripts/sonar.sh
       - stage: "System Tests"
         name: "Test environment setup"
         script: bash scripts/prepareServerJars.sh

scripts/runTests.sh

@@ -1,10 +1,3 @@
-cd Plan
-
-if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then 
+cd $HOME/Plan
 gradle test --info
-fi
-
-if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then 
-        gradle test --info
-	gradle sonarqube
-fi
+cd $HOME

scripts/sonar.sh

@@ -0,0 +1,5 @@
+cd $HOME/Plan
+if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then 
+	gradle sonarqube
+fi
+cd $HOME