Put Puppet 2.7 envs in .sync.yml

We want to eventually drop puppet 2.7 support in all modules. This will
be easier if the central modulesync config repo isn't enforcing that
all modules test on 2.7. When support needs to be dropped, we can just
remove it from this .sync.yml file.

.sync.yml

@@ -1,10 +1,10 @@
 ---
 .travis.yml:
   extras:
-  - rvm: 1.9.3
-    env: PUPPET_GEM_VERSION="~> 3.5.0" STRICT_VARIABLES="yes"
-  - rvm: 2.0.0
-    env: PUPPET_GEM_VERSION="~> 3.5.0" STRICT_VARIABLES="yes"
+  - rvm: 1.8.7
+    env: PUPPET_GEM_VERSION="~> 2.7.0" FACTER_GEM_VERSION="~> 1.6.0"
+  - rvm: 1.8.7
+    env: PUPPET_GEM_VERSION="~> 2.7.0" FACTER_GEM_VERSION="~> 1.7.0"
 Rakefile:
   extra_disabled_lint_checks:
   - 'disable_only_variable_string'