taxonomy: Roku devices plus many signatures.

+ add signatures for all current Roku device models except
  the Roku SD model 1050 (old device, not very common now).
+ add alternate DHCP signature for Visio TVs.
+ add alternate OUIs for Amazon, ASUS, Azurewave, HTC, LG,
  Motorola, Samsung.
+ switch Kindle signatures to use an Amazon OUI instead of Kindle DHCP
  signature, the DHCP signature is fairly common among consumer
  electronics devices.
+ add signatures for Sony Bravia TVs, Sprint One M9, BLU Dash M, RCA
  10 Viking Pro, LG Smart TV, LG Lucky, BLU Studio.
+ update to v4 signature: Dropcam, Withings Scale, LG Optimus and
  Tribute, iPad 3rd gen, HP Printer, Wii, Xbox, Playstation 4,
  Samsung Galaxy Tab 4.
+ add alternate signatures for Dropcam, Epson printers, iPhone 5c & 6s,
  iPod Touch, LG G3 & G4, Nexus 5 & 9, Galaxy Note 5, Galaxy S5,
  Vizio Smart TV, Nexus Player.

Change-Id: Ifeb7a77790968958541f6af69776ab17809806fa
3 files changed