fixup! CI: Set up Travis.

Author: vonglasow

.travis.yml

@@ -5,6 +5,7 @@ matrix:
     - php: 5.5
     - php: 5.6
     - php: 7.0
+      dist: xenial
     - php: 7.1
       env:
         - ENABLE_XDEBUG=true
@@ -44,6 +45,7 @@ cache:
 
 before_script:
   - export PATH="$PATH:$HOME/.composer/vendor/bin"
+  - phpenv config-add custom.ini
   - if [[ ! $ENABLE_XDEBUG ]]; then
       phpenv config-rm xdebug.ini || echo "ext-xdebug is not available, cannot remove it.";
     fi

custom.ini

@@ -0,0 +1 @@
+extension = "intl.so"