Comment tweaks

Benchmarking and making a few small but impactful changes based on benchmark results. With aggressive inlining and release options, these had more limited impact but the overhead of accessing each loop during drawing was higher than expected.

Benchmark util comments

Merge branch 'develop'

Adding basic 5s song benchmark as well as oneshot playback

Cleanup and feeding delta time to all visualizers for use as desired (not always relevant), also added cirrus visualizer which is based on the old 'spotted' visualizer.

Fixed lobby visualizer list selection in menu

Updating to 0.3.4

Updating notes with more useful links

Fix startup splash

Moving back to more reasonable size for frame history, and adjusting default config

Swapping to delta time based calculations for framerate, and increasing sample count

Explore implementation of FMOD provided FFT DSP. Leave FFT.cpp in if needed for manual work.

Fixing warnings as errors

Trimmed FFT implementation added based on exploration