let Travis build the microsite

Author: larsrh

.travis.yml

@@ -0,0 +1,22 @@
+language: scala
+
+before_install:
+  - export PATH="$PATH:./vendor/bundle"
+
+install:
+  - rvm use 2.2.3 --install --fuzzy
+  - gem update --system
+  - gem install sass
+  - gem install jekyll -v 3.2.1
+
+script:
+  - sbt makeMicrosite
+
+cache:
+  directories:
+    - $HOME/.ivy2/cache
+    - $HOME/.sbt/boot
+    - vendor
+before_cache:
+  - find $HOME/.ivy2 -name "ivydata-*.properties" -delete
+  - find $HOME/.sbt -name "*.lock" -delete