added launch email and removal of commits and status before save

Author: dwasinge

src/main/java/com/redhat/labs/omp/models/Launch.java

@@ -13,5 +13,6 @@ public class Launch {
 
     private String launchedDateTime;
     private String launchedBy;
+    private String launchedByEmail;
 
 }

src/main/java/com/redhat/labs/omp/service/EngagementService.java

@@ -226,12 +226,20 @@ private Optional<Engagement> getEngagement(Project project, boolean includeStatu
 
     private File createEngagmentFile(Engagement engagement) {
 
+        // remove any commits or status before creating json  file
+        removeCommitsAndStatus(engagement);
+
         String fileContent = json.toJson(engagement);
         File file = File.builder().content(fileContent).filePath(ENGAGEMENT_FILE).build();
 
         return file;
     }
 
+    private void removeCommitsAndStatus(Engagement engagement) {
+        engagement.setCommits(null);
+        engagement.setStatus(null);
+    }
+
     private Project createProjectStucture(Engagement engagement) {
 
         // create group for customer name