Merge pull request #80 from SemanticMediaWiki/rmphp53

Stop testing against PHP version Travis no longer has

.travis.yml

@@ -1,23 +1,18 @@
 language: php
 
-env:
-  - THENEEDFORTHIS=FAIL
-
 matrix:
   include:
     - env: DB=mysql; MW=REL1_27; TYPE=coverage
       php: 5.6
     - env: DB=sqlite; MW=1.23.14
-      php: 5.3
+      php: 5.5
     - env: DB=mysql; MW=master
       php: 7
     - env: DB=mysql; MW=master
       php: hhvm
   allow_failures:
     # see issue #71
     - env: DB=mysql; MW=master
-  exclude:
-    - env: THENEEDFORTHIS=FAIL
 
 install:
   - travis_retry composer self-update