Changes:
  * Fix dithering with more uncommon waveform modes (DU & GC4)
  * Fixed the Kindle PW4/KOA2 refresh calls that were misdetecting A2 waveform update modes
  * Don't enforce monochrome when using a DU waveform mode on Kindle
  * Quite a few fbdepth tweaks & fixes for KOReader
  * Store & log the device's name and ID code when identifying the device at runtime
  * Apply the proper rotation quirks on the Kobo H2O²r1 (i.e., none).
  * Various code tweaks & cleanups

API Changes:
  * Added device_name, device_id, is_kobo_non_mt, ntx_boot_rota, ntx_rota_quirk, can_rotate fields to the FBInkState struct