NV: Move the nvdrv classes into the Nvidia namespace, and move the functionality to a s single module that services call.

# Conflicts:
#	src/core/hle/service/am/applet_oe.cpp
#	src/core/hle/service/apm/apm.cpp

# Conflicts:
#	src/core/hle/kernel/svc.cpp

added more svcGetInfo pairs for 3.0.0+ support, Changed HEAP_SIZE and TLS_AREA_VADDR. changed mem usage & heap usage stub added, ISelfController, IApplication function stubs. Added SetThreadCoreMask

Implement Pull #3030 from Citra: Rename derivative class name

 Implement Pull #3052 from citra: Correct spelling of searchfield in comment

Implement Pull #3034 from Citra: Change build order to check clang-format first

Implement Pull #3240 from Citra: Add button labels for sdl joystick mappings

nso: Modify .bss size calculation logic

Misc build fixes

CMake: Override PYTHON environment variable for libunicorn

Change build order to check clang-format first

citra-qt: Rename derivative class name

Build/Deploy Updates to Setup Nightly Builds

On MSVC if unicorn isn't found, fallback to bundled unicorn
On everything else, fallback to building unicorn in externals

Also fixes loading unicorn in msvc

Adding meumart's Citra SDL Joystick support. Citra PR #3116

Merge citra-emu PR#3001 by Styleoshin(citra-qt : Adding fullscreen mode)

The keys are github auth_tokens and are assigned to yuzubot for the
yuzu-nightly repository to allow Appveyor and Travis to upload releases