Adding encrypted coveralls repo token

.travis.yml

@@ -11,7 +11,7 @@ env:
 
 before_install:
   - sudo apt-get -qq update
-
+  -  openssl aes-256-cbc -K $encrypted_be4ca4937ddf_key -iv $encrypted_be4ca4937ddf_iv -in .coveralls.yml.enc -out .coveralls.yml -d
 
 install:
   - sudo apt-get install -y libboost-test-dev
@@ -33,3 +33,6 @@ script:
   #- pip install -r tools/requirements.txt
   #- tools/before-test.sh $TEST_HOME $EPANET_HOME/$BUILD_HOME/bin $TRAVIS_COMMIT
   #- tools/run-nrtest.sh $TEST_HOME $TRAVIS_COMMIT
+
+after_success:
+  - coveralls