add a new manage command for supervisor control
fixing a few remaining syntax errors
Merge pull request #672 from oostendo/develop

Develop
- finished context
- added lifespan (auto kill) to tab containers
- made re-renders safe for tab/dashboard structure
- slight revamp to menus
- eliminated several superfluous DOM nodes
Merge pull request #673 from Tendrid/develop

- finished context
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
Updates to table view