Revoked share links (#664)

* Move to revokation API for share links

* Respect revoked share links
Add documentation for shares endpoints

* 💚

server/api/__snapshots__/shares.test.js.snap

@@ -17,3 +17,12 @@ Object {
   "status": 401,
 }
 `;
+
+exports[`#shares.revoke should require authentication 1`] = `
+Object {
+  "error": "authentication_required",
+  "message": "Authentication required",
+  "ok": false,
+  "status": 401,
+}
+`;