*: upgrade to go 1.5.3

.travis.yml

@@ -6,7 +6,7 @@ language: go
 
 go:
  - 1.4.3
- - 1.5.2
+ - 1.5.3
 
 env:
   - DEX_TEST_DSN="postgres://postgres@127.0.0.1:15432/postgres?sslmode=disable" ISOLATED=true
@@ -22,7 +22,7 @@ script:
  - ./test-functional
 
 after_success:
-  - if [[ "$TRAVIS_GO_VERSION" == "1.5.2" && "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "master"  ]]; then ./build-docker-push ;fi
+  - if [[ "$TRAVIS_GO_VERSION" == "1.5.3" && "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "master"  ]]; then ./build-docker-push ;fi
 
 notifications:
   email: false