This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
Key issues fixed:
- Progress dialog showing up as white/hanging/getting stuck/unresponsive.
Key changes:
- Progress dialog now shows progress as a function of all files instead of per nca within a file.
- Overwrite existing files will overwrite all files in the selection.
