Accept build variable to change the API base URL.

.gitlab-ci.yml

@@ -3,13 +3,13 @@ image: node:6.5.0
 build:
   stage: build
   variables:
-    HOMEPAGE: "https://cefaoycoympc.srct.gmu.edu/"
+    API_GET_FACILITIES: "https://api.srct.gmu.edu/whatsopen/v2/facilities/"
   script:
   - npm install -g yarn
   - >
-    node -e "require('fs').writeFileSync('./package.json', JSON.stringify(Object.assign(require('./package.json'), {'homepage': process.env.HOMEPAGE}), null, 2));"
+    sed "s|^const API_GET_FACILITIES .*|const API_GET_FACILITIES = '$API_GET_FACILITIES';|" src/actions/api.js
   - yarn install
-  - CI=false npm run build
+  - npm run build
   artifacts:
     paths:
     - build