fix travis tests for php 5.3

Author: kbond

.travis.yml

@@ -13,6 +13,7 @@ php:
 
 before_install:
  - composer self-update
+ - if [[ "$TRAVIS_PHP_VERSION" != "5.3" && "$TRAVIS_PHP_VERSION" != "5.3.3" ]]; then composer require --no-update guzzlehttp/guzzle:~4; fi
  - composer install --prefer-source
  - wget http://cs.sensiolabs.org/get/php-cs-fixer.phar
 

composer.json

@@ -23,7 +23,6 @@
         "symfony/yaml"               : "v2.3.11",
         "guzzle/http"                : "3.*",
         "guzzle/plugin-mock"         : "3.*",
-        "guzzlehttp/guzzle"          : "4.*",
         "videlalvaro/php-amqplib"    : "2.*",
         "predis/predis"              : "0.8.*"
     },