/v2/tasks response should include health info

- Make /v2/tasks similar to /v2/apps/{appId}/tasks
- Fixes #443
Merge pull request #448 from mesosphere/issue-443-incomplete-task-data

/v2/tasks response should include health info
adding help documentation for /v2/queue
Upgrade to React 0.11.1

The release is backwards compatible with 0.10.0, so no changes are
required to upgrade. 0.11.0 release notes[1] outline the major changes.

[1] https://facebook.github.io/react/blog/2014/07/17/react-v0.11.html
Add new “force=true” option to app destroy in UI

If an app is in the middle of a deployment now, it requires a
“force=true” option to be passed including on DELETE to override the
deployment. To maintain the functionality of the “Destroy” button in the
UI always being able to work, always append “force=true”.
Recompile JS with forced app destroy
Add deployment ids to app locked error message

- Fixes #450
Merge pull request #453 from mesosphere/issue-450-app-locked-message

Add deployment ids to app locked error message
DELETE on a nonexistent app should return 404

- Fixes #451
Merge pull request #454 from mesosphere/issue-451-delete-404

DELETE on a nonexistent app should return 404
Enhanced app locked error message.
Enhanced app locked error message.
Enhancement 436

Determines whether URI should be extracted or not and updates the URI
with the appropriate extract flag.
Merge pull request #455 from elingg/master

Enhancement 436
Support for new ContainerInfo message in Mesos
Updated Mesos dependency to master snapshot
Merge pull request #439 from mesosphere/dockerinfo

Consistency with upcoming docker support in Mesos
App deletion defaults to force=true.
Default number of app instances = 1
GET /v2/apps/some/app now lists active deployments