[CRYPTO-37] Change all the 2 spaces indent to 4 to comply Commons code style

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.2
• Fix Version/s: 1.0.0
• Assignee: Ferdinand Xu
• Reporter: Haifeng Chen
• Due: 29/Apr/16
• Created: 28/Apr/16 05:43
• Updated: 04/May/16 03:48
• Resolved: 04/May/16 03:48

Description

Commons requires a code style which uses 4 spaces indent.
The original source code follows Hadoop code style which is 2 spaces indent.

Need to change to 4 spaces indent for all the Java code.