[build] try out variables

Author: g3force

.circleci/config.yml

@@ -17,7 +17,7 @@ jobs:
     #### expecting it in the form of
     ####   /go/src/github.com/circleci/go-tool
     ####   /go/src/bitbucket.org/circleci/go-tool
-    working_directory: /go/src/github.com/g3force/ssl-game-controller
+    working_directory: /go/src/github.com/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}
     steps:
     - checkout