update circle.yml to go1.7

License: MIT
Signed-off-by: Jeromy <[email protected]>

circle.yml

@@ -10,8 +10,8 @@ machine:
 
   post:
     - sudo rm -rf /usr/local/go
-    - if [ ! -e go1.5.2.linux-amd64.tar.gz ]; then curl -o go1.5.2.linux-amd64.tar.gz https://storage.googleapis.com/golang/go1.5.2.linux-amd64.tar.gz; fi
-    - sudo tar -C /usr/local -xzf go1.5.2.linux-amd64.tar.gz
+    - if [ ! -e go1.7.linux-amd64.tar.gz ]; then curl -o go1.7.linux-amd64.tar.gz https://storage.googleapis.com/golang/go1.7.linux-amd64.tar.gz; fi
+    - sudo tar -C /usr/local -xzf go1.7.linux-amd64.tar.gz
 
   services:
     - docker
@@ -28,7 +28,7 @@ dependencies:
     - cd "$HOME/.go_workspace/src/$IMPORT_PATH" && make deps
 
   cache_directories:
-    - ~/go1.5.2.linux-amd64.tar.gz
+    - ~/go1.7.linux-amd64.tar.gz
     - "$HOME/.go_workspace/src/gx/ipfs"
 
 test: