Does not compile for Swift3 & iOS 10.2 target

[jaimeyu]

After running the migration tool at start up to bring it up to Swift3, I hit this compilation error on line:
let enableBytes = Data(bytes: UnsafePointer(&enableValue), count: sizeof(UInt8))

Error: ZeroToBLE-Part2-Swift-master/BLETemperatureReaderSwift/BLETemperatureReaderSwift/TemperatureViewController.swift:482:43: Ambiguous use of 'init'

[jaimeyu]

Perhaps a fix for Swift 3 is:

        let enableValue:UInt8 = 1
        let enableBytes = Data(bytes: [enableValue])