[MESOS-4683] Document docker runtime isolator.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.28.0
• Component/s: documentation
• Labels: containerizer documentation
• Epic Link: Unified Container
• Sprint: Mesosphere Sprint 29, Mesosphere Sprint 30
• Story Points: 2
• Assignee: Gilbert Song
• Reporter: Gilbert Song
• Shepherd: Jie Yu
• Created: 16/Feb/16 07:07
• Updated: 02/Mar/16 02:28
• Resolved: 02/Mar/16 02:28

Description

Should include the following information:

*What features are currently supported in docker runtime isolator.
*How to use the docker runtime isolator (user manual).
*Compare the different semantics v.s. docker containerizer, and explain why.