Update .travis.yml to use test-all alias

Author: weavejester

.travis.yml

@@ -1,6 +1,2 @@
 language: clojure
-lein: lein2
-script: lein2 with-profile dev:dev,1.4:dev,1.5:dev,1.6 test
-jdk:
-  - openjdk7
-  - openjdk6
+script: lein test-all

project.clj

@@ -8,6 +8,7 @@
   :plugins [[codox "0.8.0"]]
   :codox {:src-dir-uri "http://github.com/ring-clojure/ring-codec/blob/1.0.0/"
           :src-linenum-anchor-prefix "L"}
+  :aliases {"test-all" ["with-profile" "default:+1.4:+1.5:+1.6:+1.7:+1.8" "test"]}
   :profiles
   {:1.4 {:dependencies [[org.clojure/clojure "1.4.0"]]}
    :1.5 {:dependencies [[org.clojure/clojure "1.5.1"]]}