language: ruby
cache: bundler
sudo: false
rvm:
 - 2.1
 - 2.2
 - 2.3
 - 2.4
script:
 - bundle exec jekyll build
 - grep johnotander/pixyll _site/index.html
 - grep post-title         _site/index.html
 - grep pagination-item    _site/index.html
 - grep johnotander/pixyll _site/css/pixyll.css
 - grep 404                _site/404.html

language: ruby
cache: bundler
sudo: false
rvm:
 - 2.3
 - 2.4
 - 2.5
 - 2.6
script:
 - bundle exec jekyll build
 - grep johnotander/pixyll _site/index.html
 - grep post-title         _site/index.html
 - grep pagination-item    _site/index.html
 - grep johnotander/pixyll _site/css/pixyll.css
 - grep 404                _site/404.html

Update Ruby in Travis to 2.5 and 2.6
Update Ruby in Travis to 2.5 and 2.6

Drop unsupported 2.1 and 2.2 ruby versions.
