Merge pull request #2 from php-cache/patch1

Support for sf2.6

Author: cryptiklemur

.travis.yml

@@ -5,6 +5,7 @@ php:
   - "5.5"
 
 env:
+  - SYMFONY_VERSION=2.6.*
   - SYMFONY_VERSION=2.7.*
   - SYMFONY_VERSION=2.8.*
   - SYMFONY_VERSION=3.0.*

composer.json

@@ -19,7 +19,7 @@
     ],
     "require":      {
         "php":                      "^5.5|^7",
-        "symfony/framework-bundle": "^2.7|^3.0",
+        "symfony/framework-bundle": "^2.6|^3.0",
         "cache/doctrine-adapter":   "^0.1"
     },
     "require-dev":  {