[REEF-1012] Add package docs and fix typos for Group Com. module

• Type: Task
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.14
• Component/s: REEF-IO
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 23/Nov/15 18:18
• Updated: 23/Nov/15 20:18
• Resolved: 23/Nov/15 20:18

Description

This issue replaces all TODO package comments by add package documentations. And, this also fixes some typos in Group Communication module.

Issue Links

• links to: Link to PR