[TASK] Fix travis.yml to start memcache daemon

Change-Id: Iba6de218fdc221fc996d69637711afbc68a22b28
Reviewed-on: http://review.typo3.org/15519
Reviewed-by: Steffen Ritter
Tested-by: Steffen Ritter

.travis.yml

@@ -11,7 +11,7 @@ branches:
     - master
 
 services:
-  - memcache
+  - memcached
 
 before_script:
 # Install build dependencies