general: compress png images

kernel: Session request cleanup

Controller Applet had instance of Undocked, make Handheld

[audio_core] Update for firmware 15.0.0

Remember that time we renamed the Undocked option to Handheld in the
status bar, and then later remembered the Controller Configuration?

Scrolling through Transifex I noticed that we still have one instance of
"Undocked" in the text.

common/fixed_point: Minor interface improvements

savedata_factory: Detect future save data paths

kernel: fix slab heap ABA

Kernel Multiprocess (Part 1) - Persist memory & core timing

video_core: implement 1D copies based on VMM 'kind'