This fixes the comments left on the PR (whitespace, SO_REUSEADDR,
comment changes).

frd:u: Initial stub some functions

Common: Remove Common::make_unique, use std::make_unique

Fix filename&path encode problem on Windows

CMakeFiles: Compile as C++14

OpenGL: Check for framebuffer completeness

Dummy implementation dlp:SRVR Service.

cecd:u: stub GetCecInfoEventHandle, GetChangeStateEventHandle

GSP: Return proper error codes for register writes

Avoid warnings by casting to size_t for ARRAY_SIZE() comparisons

Prevent cache overflow when single stepping

Add gsp functions: SetAxiConfigQoSMode, UnregisterInterruptRelayQueue

DSP: Implement audio filters (simple, biquad)

Add common methods to all cfg:* ports

Compilation fix

Fix Qt string encode problem on Windows

Remove unnecessary const & replace pointer with reference

hid: implement accelerometer and gyroscope back-end

DSP: Implement audio codecs (PCM8, PCM16, ADPCM)