change .fixtures.yml to use https:// instead of git://

Author: Joshua Hoblitt

.fixtures.yml

@@ -1,7 +1,7 @@
 fixtures:
   repositories:
-    "stdlib":
-      repo: "git://github.com/puppetlabs/puppetlabs-stdlib.git"
-      ref: "4.2.0"
+    stdlib:
+      repo: 'https://github.com/puppetlabs/puppetlabs-stdlib.git'
+      ref: '4.2.0'
   symlinks:
-    "pureftpd": "#{source_dir}"
+    pureftpd: "#{source_dir}"