Updated to match master Travis configuration.

.travis.yml

@@ -7,11 +7,13 @@ env:
   - VUFIND_HOME=$PWD VUFIND_LOCAL_DIR=$PWD/local
 
 before_script:
-  - pear install pear/PHP_CodeSniffer
+  # Note: locked phpcs to 2.3.4 due to a bug in 2.4.0; can relax restriction after next release.
+  - pear install pear/PHP_CodeSniffer-2.3.4
   - pear channel-discover pear.phing.info
   - pear install phing/phing
   - composer global require fabpot/php-cs-fixer
   - export PATH="$HOME/.composer/vendor/bin:$PATH"
+  - phpenv config-rm xdebug.ini
   - phpenv rehash
 
 script: