Merge pull request #229 from puppetlabs/CONT-798-Puppet_8

(CONT-798) Puppet 8 support / Drop Puppet 6 support

Author: jordanbreen28

.fixtures.yml

@@ -7,4 +7,4 @@ fixtures:
     provision: 'https://github.com/puppetlabs/provision.git'
     puppet_agent:
       repo: 'https://github.com/puppetlabs/puppetlabs-puppet_agent.git'
-      ref: v4.12.1
+      ref: v4.13.0

.pdkignore

@@ -39,7 +39,6 @@
 /rakelib/
 /.rspec
 /.rubocop.yml
-/.travis.yml
 /.yardopts
 /spec/
 /.vscode/