add memcache, memcached, and mongodb extensions to run skipped tests

.travis.yml

@@ -6,10 +6,15 @@ php:
   - 5.4
   - 5.5
 
+services: mongodb
+
 before_script:
     - sudo apt-get install parallel
     - echo '' > ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini
+    - echo "extension = mongo.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
     - sh -c 'if [ $(php -r "echo PHP_MINOR_VERSION;") -le 4 ]; then echo "extension = apc.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;'
+    - echo "extension = memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+    - echo "extension = memcache.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
     - COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev install
 
 script:

src/Symfony/Component/Intl/Util/SvnRepository.php

@@ -137,5 +137,4 @@ class SvnRepository
 
         return $this->svnInfo;
     }
-
 }