Add activity spec code

Move code from sdc repository and:
1. place according to this project structure
2. refactor DTOs and use mapstruct
3. change errorResponse to be a json instead of a string (for all workflow code)

Change-Id: Ia85590b53ab59ff7600e05b8a6d52e06b1773220
Issue-ID: SDC-1606
Signed-off-by: talig <talig@amdocs.com>
diff --git a/workflow-bdd/config.json b/workflow-bdd/config.json
index 260f285..5d38d09 100644
--- a/workflow-bdd/config.json
+++ b/workflow-bdd/config.json
@@ -16,13 +16,13 @@
   "workflow" : {
     "port" : 8080,
     "prefix" : "wf",
-    "server" : "",
+    "server": "wf.server",
     "user" : "user"
   },
   "activity_spec" : {
     "port" : 8080,
-    "prefix" : "activity-spec-api/v1.0",
-    "server" : "activity_spec.server",
+    "prefix": "v1.0",
+    "server": "wf.server",
     "user" : "user"
   }
 }