minor #1227 [1.3] Update travis configuration to use container based...

minor #1227 [1.3] Update travis configuration to use container based infrastructure, al… (henrikbjorn)

This PR was merged into the 1.3 branch.

Discussion
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[1.3] Update travis configuration to use container based infrastructure, al…

…so use cache for composer in order to reduce network usage

Commits
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258b7ea5 Update travis configuration to use container based infrastructure, also use cache for composer in order to reduce network usage

.travis.yml

 language: php
 
+sudo: false
+
+cache:
+    directories:
+      - $HOME/.composer/cache
+
 before_script:
     # symfony/*
     - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.8' ]; then sed -i 's/~2.3/2.8.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
@@ -10,21 +16,16 @@ before_script:
 
 script: phpunit
 
-php:
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - hhvm
-
 matrix:
-    allow_failures:
-        - php: hhvm
     include:
+        - php: 5.3
+        - php: 5.4
+        - php: 5.5
         - php: 5.6
           env: SYMFONY_DEPS_VERSION=2.3
         - php: 5.6
           env: SYMFONY_DEPS_VERSION=2.7
         - php: 5.6
           env: SYMFONY_DEPS_VERSION=2.8
+        - php: 7.0
+        - php: hhvm