ci: update travis build (#71)

Update travis build to prevent hashing of files for theme configuration.

Fixes #70

.travis.yml

@@ -11,7 +11,7 @@ before_script:
 
 script:
   - ng lint
-  - ng build --prod --base-href="/web-app/"
+  - ng build --prod --output-hashing=none --base-href="/web-app/"
 
 deploy:
   provider: pages

package.json

@@ -12,7 +12,7 @@
   "license": "MPL-2.0",
   "scripts": {
     "ng": "ng",
-    "build": "npm run env -s && ng build --prod",
+    "build": "npm run env -s && ng build --prod --output-hashing=none",
     "start": "npm run env -s && ng serve --aot --proxy-config proxy.conf.js",
     "serve:sw": "npm run build -s && npx http-server ./dist -p 4200",
     "lint": "ng lint && stylelint \"src/**/*.scss\" --syntax scss && htmlhint \"src\" --config .htmlhintrc",