HID: Stub DisableAccelerometer and DisableGyroscopeLow

gl_state: Fix a condition typo in Apply

VFP: Log as trace to get rid of spamming.

OpenGL Hardware Renderer

Service::Y2R: Support for grayscale decoding of specific formats

Implements unrotated planar YUV 4:2:0 -> RGB24 conversions in Y2R.
Currently only the Y (luma) channel is used, so the results don't
contain color. This will be added in a later PR at some point.

This is enough to get all currently know Moflex videos to decode. (Some
don't display on-screen due to seemingly unrelated reasons.)

Thanks to @archshift for doing the initial implementation which I
cleaned up and then fixed the 8x8 block mode.

dyncom: Eliminate clang warnings

Gets rid of a whole load of missing brace initialization warnings.

ResourceLimit handles shouldn’t be waitable

Kernel: Fix a warning introduced with ResourceLimit, and remove the fallback code to prevent it from happening again.

Thread reschedule and MOFLEX fixes

Use condition var to properly pause the CPU thread

CFG: Update the cfg service to be like other integrated services

Adds support for threaded pausing so citra doesn't spin wait on pause

core/video_core: Fix a few warnings when compiling on MSVC.

Implement svcBreak

GPU/DefaultAttributes: Let the attribute data from the loaders overwrite the default attribs.

GPU/DefaultAttributes: Let the attribute data from the loaders overwrite the default attributes, if set.

closes #735

Delete unused hle/coprocessor.cpp

APT/FS: Remove asserts that were causing false positives in games

Common: Remove async logging

Update README.md, removing the old Roadmap link and adding the TODO list

Closes #759

dyncom: Add ARMv6K NOP and hint instructions to the interpreter.