Merge pull request #230 from lektor/upgrade-py-node-build-versions

Upgrading the versions of python and node that are used to build the website

.travis.yml

@@ -1,5 +1,11 @@
 language: python
-python: 3.5
+python: 3.7
+env: TRAVIS_NODE_VERSION=10
+dist: xenial
+sudo: true
+branches:
+  only:
+    - master
 install:
   - "pip install -U pip"
   - "pip install git+https://github.com/lektor/lektor#egg=Lektor"

content/docs/deployment/travisci/contents.lr

@@ -24,7 +24,7 @@ file into your repository.  You can copy paste this over:
 
 ```yaml
 language: python
-python: 3.5
+python: 3.7
 install: "pip install Lektor"
 script: "lektor build"
 deploy:
@@ -115,7 +115,7 @@ caching.  Adjust your `.travis.yml` file to look like this:
 
 ```yaml
 language: python
-python: 3.5
+python: 3.7
 cache:
   directories:
     - $HOME/.cache/pip
@@ -135,7 +135,7 @@ config:
 
 ```yaml
 language: python
-python: 3.5
+python: 3.7
 cache:
   directories:
     - $HOME/.cache/pip