Use Responsive Bootstrap

Change-Id: I79095ad3280aed3e6bb6f27815c4c7bf52161c35
Get 100 entries instead of just 4 from Google Feed API

Change-Id: Ia54fb444e501241e8f9c9ebb2ab9a8fa1d7aadaf
Append search parameters to action GET request

Also display the status and make the action request thread-safe

Change-Id: I02243e2fe4cc251ba2b4d7030003d834b6a4b106
Give the stop and start buttons a little bit of colour

Change-Id: I408ea1ea47b078937ac8d1722e4d29bb20c43381
Only allow superusers to view the app

Change-Id: I64a14f0d36b37e11b3270437292f3aff2450333c