Run tests for multiple Clojure versions on one CI container

Author: Deraen

.travis.yml

@@ -1,14 +1,11 @@
 sudo: false
 language: clojure
 lein: lein2
-script: lein2 with-profile $PROFILE do clean, midje, check
+script: lein2 do clean, all midje, all check
 jdk:
   - openjdk6
   - openjdk7
   - oraclejdk8
-env:
-  - PROFILE=dev
-  - PROFILE=dev,1.8
 cache:
   directories:
   - $HOME/.m2