dev-api: add developer portal, OpenAPI spec, and Flatenbadet case study

- New /developers/ page with API docs, SDKs, pricing, use cases
- OpenAPI 3.0 spec for Orders, Missions, Photos, Analytics
- Case study: Glasskiosken i Flatenbadet — complete ROI analysis
- Updated /order/ with recurring missions and frequency dropdown

services/frilans-payout/node_modules/pathval/CHANGELOG.md

@@ -0,0 +1,18 @@
+
+0.1.1 / 2013-12-30 
+==================
+
+ * expose parse
+ * rename lib to index
+
+0.1.0 / 2013-12-28
+==================
+
+  * API BREAKING! `get` has been changed, see the README for migration path
+  * Add `set` method
+  * Start using simple-assert (closes #2)
+
+0.0.1 / 2013-11-24
+==================
+
+  * Initial implementation