Implement Pull #3109 from citra: sdl2 default ini: fix framelimit

Implement IPC domain command CloseVirtualHandle

Fix gdbstub typo

Core::System().GetInstance().IsPoweredOn() -> Core::System::GetInstance().IsPoweredOn()

UI: Fix frame rate perf stats

Adds in a missing EndGameFrame when nvdrv swaps buffers

hid: Write to all layouts, implement circular buffers, set up controller metadata.

Improvements to IPC, AppletOE, APM, VI, SVC

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