v1.2.0

With thanks to @theooophile, @parkerlreed, @romatthe, and @scarrillo
for their donations this month!

Added

• Added support for emulated LAN multiplayer.
  Only works on an actual LAN.
  #225
  Thanks for #229, @BernardoGomesNegri!
• Integrated support for the GBA Memory Expansion Pak.
  #44
• Integrated support for the Rumble Pak.
  #224
• Integrated support for the Solar Sensor.
  It can be enabled in the core options menu,
  even without using a real Boktai trilogy ROM.
  #43
• Integrated support for Gaussian audio interpolation.
  #234
• Added support for direct-booting DSiWare games.
  DSi system files are still required.
  #148
  Thanks for the technical information, @CasualPokePlayer!

Changed

• Updated melonDS to commit d8f1d10.
• Refactored input handling to enable future improvements
  to Slot-2 peripherals and screen layouts.
• Disabled fast-forwarding while a LAN multiplayer session is active.
• Moved the Screen Filtering option to the Screen category,
  renamed it to Hybrid Screen Filtering,
  and hide it if none of the configured layouts is a hybrid layout.
  #250

Fixed

• Adjusted the core's framerate and sample rate
  to match that of the actual hardware.
• Show the screen filtering option even when the software renderer is enabled.
  #250
• Fixed a crash that would occur when inadvertently loading
  NDS or GBA save data as a ROM.
  The core now exits with an error message instead.