Merge pull request #574 from stof/patch-1

Fixed the installation of HHVM nightly on Travis

.travis.yml

@@ -15,7 +15,7 @@ env:
   - DB=mysqli
 
 before_script:
-  - sh -c "if [ '$TRAVIS_PHP_VERSION' = 'hhvm' ]; then sudo apt-get remove hhvm; sudo apt-get update; sudo apt-get install hhvm-nightly; fi"
+  - sh -c "if [ '$TRAVIS_PHP_VERSION' = 'hhvm' ]; then sudo apt-get remove --auto-remove hhvm; sudo apt-get update; sudo apt-get install -y --force-yes hhvm-nightly; fi"
   - sh -c "if [ '$DB' = 'pgsql' ]; then psql -c 'DROP DATABASE IF EXISTS doctrine_tests;' -U postgres; fi"
   - sh -c "if [ '$DB' = 'pgsql' ]; then psql -c 'DROP DATABASE IF EXISTS doctrine_tests_tmp;' -U postgres; fi"
   - sh -c "if [ '$DB' = 'pgsql' ]; then psql -c 'create database doctrine_tests;' -U postgres; fi"