Tweaking TravisCI file for caching and Node version.

.travis.yml

@@ -10,17 +10,14 @@ node_js:
   - "node"
   - "8"
 
-cache: yarn
-
 before_script:
   - echo '========== Installing gulp & dependencies =========='
   - sudo apt-get install graphicsmagick
   - convert -help
-  - yarn global add @alrra/travis-scripts
-  - yarn global add hugo-bin
-  - hugo version
-  - yarn global add gulp
-  - yarn install
+  - npm install -g hugo-bin
+  - npm install -g gulp
+  - npm install @alrra/travis-scripts
+  - npm install
 
   - echo '========== Configuring Github Pages =========='
   - git config --global user.email "citra+citrabotweb@citra-emu.org"
@@ -28,6 +25,7 @@ before_script:
   - set-up-ssh --key "$encrypted_c7ee54b5843f_key" --iv "$encrypted_c7ee54b5843f_iv" --path-encrypted-key "bf215181b5140522137b3d4f6b73544a.enc"
 
   - echo '========== Starting gulp deploy task =========='
+  - hugo version
   - gulp all --production
 
 notifications: