[HBASE-15768] fix capitalization of ZooKeeper usage

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: documentation
• Assignee: Alex Moundalexis
• Reporter: Alex Moundalexis
• Created: 04/May/16 20:33
• Updated: 06/May/16 00:06
• Resolved: 05/May/16 20:52

Description

Apache ZooKeeper is a proper name (ref), figured I'd fix mentions of "Zookeeper" that appear throughout the codebase and documentation.

Ignoring camelcase function names, focused primarily on visible errors, logs, comments, and UI strings.