* Update UnusedStrings.h
Added translatable strings for crash/error reporting and the new spectrogram colour preferences (https://github.com/audacity/audacity/pull/830)
* Update UnusedStrings.h
updated as per guidance from Paul
* Update UnusedStrings.h
Commented out Paul's examples, updated the spectogram settings as per Steve's/Peter's suggestion - Color (Default) and Color (Classic)
* New crash reporter strings; access keys; context strings
* Added "Unknown assertion" and more context strings
* Added comments about shortcut keys
* Choice control items do NOT need & characters, choice label does
Co-authored-by: Paul Licameli <paul.licameli@audacityteam.org>
Adds a small library to generate UUID values. This library will be used in Sentry error reporting
Replace constructor cast with static_cast
Removes a noexcept sneaked in
Adds documentation and some code review fixes
Fixes doxygen
