Please add new contributors on JIRA

[Brock Noland]

Hi,

There are two JIRA's I cannot assign to the contributors. Can they be
added as contributors in JIRA:

Karl from https://issues.apache.org/jira/browse/HIVE-5104
Konstantin from https://issues.apache.org/jira/browse/HIVE-5205

Thanks!
Brock