fix missing engagement type (#174)

Author: mcanoy

src/main/java/com/redhat/labs/lodestar/model/Engagement.java

@@ -129,11 +129,11 @@ public class Engagement {
     @JsonbProperty("engagement_region")
     private String engagementRegion;
 
-    //Legacy
+    //Legacy - front end should switch to name
     @JsonbProperty("project_name")
     private String projectName;
 
-    //Legacy
+    //Legacy - front end should switch to type
     @JsonbProperty("engagement_type")
     private String engagementType;
 
@@ -167,6 +167,12 @@ public void setEngagementType(String engagementType) {
         this.type = engagementType;
     }
 
+    //Legacy
+    public void setType(String type) {
+        this.engagementType = type;
+        this.type = type;
+    }
+
     //Legacy
     public void addArtifact(Artifact a) {
         if(artifacts == null) {