v2.0

• Fixed issue #1 to display individual temperatures; you can now toggle between average temperature across sensors or individual sensor temperatures
• Fixed issue #5 to use JSON and ChartJs in the UI
• Fixed issue #7 to create dedicated site at temperature-machine.com
• Fixed issue #10 to drop off old temperatures (see below)
• Fixed issue #11 to order temperatures
• Fixed issue #12 to hide pointless sensor names
• Fixed issue #13 to support negative temperatures
• Add a connections endpoint /connections and it's derivation /connections/active/within/5/mins to show active connections. Inactive connections drop off the main temperature display in the UI
• Upgrade to Scala 2.12
• Misc nonsense