[CHUKWA-802] Update Javadoc for Java 8

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.8.0
• Component/s: Documentation
• Assignee: Eric Yang
• Reporter: Eric Yang
• Created: 02/Apr/16 23:13
• Updated: 03/Apr/16 00:07
• Resolved: 02/Apr/16 23:18

Description

Java 8 has more strict guideline for Javadoc, and it breaks Chukwa Javadoc. It is a good time to clean up incorrect Javadoc and polish the document.