[TASK] Add memcache backend tests again

Memceache tests have been disabled because of
problems with the travis ci service.

Activate them again after the problems have been
resolved and also activate PHPUnit color output.

Releases: 6.0

Change-Id: I8f488c499884e36c03736844f5325ad57deeecc5
Reviewed-on: http://review.typo3.org/16179
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel

.travis.yml

@@ -18,8 +18,7 @@ before_script:
   - git clone git://github.com/typo3-ci/TYPO3-Travis-Integration.git build-environment
   - source build-environment/install-helper.sh
   - installPhpModule igbinary
-# Disable memcache tests for now
-#  - installPhpModule -y memcache
+  - installPhpModule -y memcache
   - installPhpModule redis
   - if [[ "$TRAVIS_PHP_VERSION" == "5.3" ]]; then installPhpModule -y apc; fi
 

typo3/sysext/core/Build/UnitTests.xml

 <phpunit backupGlobals="false"
 	backupStaticAttributes="false"
-	colors="false"
+	colors="true"
 	convertErrorsToExceptions="true"
 	convertWarningsToExceptions="true"
 	forceCoversAnnotation="false"