Test 3 / 3.2 branches and php 5.6

.travis.yml

@@ -6,18 +6,16 @@ php:
  - 5.4
 
 env:
-  global:
-    - CORE_RELEASE=3
-  matrix:
-    - DB=MYSQL
-    - DB=PGSQL
+ - DB=MYSQL CORE_RELEASE=3.2
 
 matrix:
   include:
     - php: 5.3
-      env: DB=MYSQL
+      env: DB=PGSQL CORE_RELEASE=3.2
+    - php: 5.6
+      env: DB=MYSQL CORE_RELEASE=3
     - php: 5.4
-      env: DB=MYSQL BEHAT_TEST=1
+      env: DB=MYSQL CORE_RELEASE=3.2 BEHAT_TEST=1
 
 before_script:
  - composer self-update