Basic linking of post detail and actions, refs T1206

Summary: Bind real post values to the post detail view.

Test Plan:
`npm install`
Load the UI
Click on 'list'
Click on a post in the listing (Post id: 1 has some actual tags and values which helps)

Reviewers: shadowhand

Reviewed By: shadowhand

Subscribers: seth

Maniphest Tasks: T1206

Differential Revision: https://phabricator.ushahidi.com/D569