Merge pull request #1488 from nosqlbench/http-diag-logging-fix

allow http diag=all (and friends) to print application/json content type body

adapter-http/src/main/java/io/nosqlbench/adapter/http/core/HttpConsoleFormats.java

@@ -233,6 +233,9 @@ public class HttpConsoleFormats {
         if (contentType.toLowerCase().startsWith("text")) {
             return true;
         }
+        if (contentType.toLowerCase().startsWith("application/json")) {
+            return true;
+        }
         return PRINTABLE.contains(contentType.split("/")[0].toLowerCase());
     }