Merge pull request #2 from OpenDroneMap/cname

CNAME for docs.opendronemap.org

.travis.yml

@@ -8,6 +8,8 @@ install:
   - pip install -r requirements.txt
 script: 
   - make deploy
+after-success:
+  - echo "docs.opendronemap.org/" > ./_build/html/CNAME
 deploy:
   provider: pages
   skip-cleanup: true