more updates to plugin manager
Added upgrade, buttons not working
Updates
Added error checking and messages, and update all button, needs cleaned up but works
Installs and removes plugins but still not routing
Merge branch 'plugins-fixes'
Clean up - Still need to get routes to work
Added comment
Merge branch 'pr/29'

Conflicts:
	configuration/config-template.ini
	index.js
	package.json
Merge branch 'master' of https://github.com/jansmolders86/mediacenterjs