switch to fetch foliofront from devel branch

manifests/foliofront.pp

@@ -53,6 +53,7 @@ class folioscripts::foliofront {
     ensure   => latest,
     provider => git,
     source   => 'https://git:glpat-F5y74GSXSm6FrQBD5wM5@gitlab.liu.se/ub-utveckling/webb/folio-projekt/foliofront-node-root.git',
+    revision => 'devel',
     notify   => [Exec['do npm install of foliofront'],],
   }