align travis and platform build environments

.platform.app.yaml

@@ -57,4 +57,5 @@ hooks:
       export PIP_USER=
       pip install pip==9.0.1 wheel==0.29.0
       pip install -r _build/.requirements.txt
+      find .virtualenv -type f -name "*.rst" -delete
       make -C _build html

.travis.yml

@@ -6,9 +6,9 @@ sudo: false
 cache:
   directories: [$HOME/.cache/pip]
 
-install: pip install sphinx~=1.3.0 git+https://github.com/fabpot/sphinx-php.git
+install: pip install -r _build/.requirements.txt
 
-script: sphinx-build -nW -c _build/ -b html -d _build/doctrees . _build/html
+script: make -C _build SPHINXOPTS=-nW html
 
 branches:
   except:

_build/.requirements.txt

@@ -1,14 +1,13 @@
-alabaster==0.7.9
-Babel==2.3.4
+alabaster==0.7.10
+Babel==2.4.0
 docutils==0.13.1
 imagesize==0.7.1
-Jinja2==2.9.4
-MarkupSafe==0.23
+Jinja2==2.9.6
+MarkupSafe==1.0
 Pygments==2.2.0
-pytz==2016.10
+pytz==2017.2
 requests==2.12.5
 six==1.10.0
 snowballstemmer==1.2.1
-Sphinx==1.5.2
+Sphinx==1.3.6
 git+https://github.com/fabpot/sphinx-php.git@7312eccce9465640752e51373a480da700e02345#egg_name=sphinx-php
-