[CI] ignore files in templates

/home/travis/build/it-projects-llc/odoo-development/docs/dev/docs/templates/doc/changelog.rst:document isn't included in any toctree

Author: Ivan Yelizariev

.travis.yml

@@ -9,7 +9,7 @@ install:
   - pip install -r requirements.txt
 
 script:
-  - mkdir docs/_static; cd docs; sphinx-build -nW -b html -d _build/doctrees . _build/html
+  - mkdir docs/_static; cd docs; sphinx-build -nW -b html -D exclude_patterns=dev/docs/templates/*  -d _build/doctrees . _build/html
 
 notifications:
   email: false