added --no-data flag

Author: rustyrazorblade

src/main/java/com/datastax/cdm/CDMArgs.java

@@ -19,4 +19,7 @@ public class CDMArgs {
     @Parameter(names = "--rf", description = "Replication Factor")
     public Integer rf = 1;
 
+    @Parameter(names = {"--no-data", "--nodata"}, description = "Only set up schema")
+    public Boolean noData = false; // setting this is schema only
+
 }

src/main/java/com/datastax/cdm/CassandraDatasetManager.java

@@ -267,6 +267,12 @@ void install(String name) throws IOException, InterruptedException, GitAPIExcept
             }
         }
 
+        // skip the data load
+        if(args.noData) {
+            System.out.println("Not loading up data, skipping");
+            cluster.close();
+            return;
+        }
         System.out.println("Loading data");
 
         this.session = session;