Merge pull request #94 from voxpupuli/cleanup_fixtures

chore: cleanup .fixtures.yml

Author: bastelfreak

.fixtures.yml

@@ -1,4 +1,5 @@
+---
 fixtures:
   repositories:
-    stdlib: 'https://github.com/puppetlabs/puppetlabs-stdlib.git'
-    concat: 'https://github.com/puppetlabs/puppetlabs-concat.git'
+    concat: https://github.com/puppetlabs/puppetlabs-concat.git
+    stdlib: https://github.com/puppetlabs/puppetlabs-stdlib.git