[IMPALA-3918] Remove Cloudera copyrights and add ASF license header

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.7.0
• Fix Version/s: Impala 2.7.0
• Component/s: Infrastructure
• Labels: asf asf-milestone-2
• Target Version: Product Backlog
• Assignee: Daniel Hecht
• Reporter: Daniel Hecht
• Created: 27/Jul/16 01:42
• Updated: 13/Sep/16 15:33
• Resolved: 13/Sep/16 15:33

Description

For Cloudera copyright code, we should follow the guidelines here:
http://www.apache.org/legal/src-headers.html#headers