Revised document (#390).

Revised administration/configure-hadoop-parameters
Updates Amazon EMR support version (#390).
Add release notes for version 0.6.2 (#390).
Revised target-platform (#390).
Merge remote-tracking branch 'private/issue/390-M5' into 0.6-develop
Merge remote-tracking branch 'private/0.6-develop' into 0.6-hadoop2-develop