ensure clone of boxen repo into the srcdir, and a symlink in the BOXEN_HOME to the repo

manifests/site.pp

@@ -52,11 +52,18 @@ node default {
     fail('Please enable full disk encryption and try again')
   }
 
-  repository { "${boxen::home}/repo":
+  # Setup real clone of our-boxen and link into BOXEN_HOME
+  repository { "${boxen::config::srcdir}/our-boxen":
     ensure => present,
     source => 'boxen/our-boxen'
   }
 
+  file { "${boxen::home}/repo":
+    ensure  => link,
+    target  => "${boxen::config::srcdir}/our-boxen",
+    require => Repository["${boxen::config::srcdir}/our-boxen"]
+  }
+
   # node versions
   include nodejs::0-4
   include nodejs::0-6