The directory layout is partially based on the C++ namespaces we're currently using.
Other changes include:
* devoptab: move directory into "core".
* fatfs: move directory into "core".
* GameCardTab: move portions of logic from PopulateList() into their own methods.
* GameCardTab: use a macro to generate the properties table.
* GameCardTab: use a macro to add ListItem elements.
* GameCardTab: update AddApplicationMetadataItems() method to also display the number of DLCs available in the inserted gamecard for each application whenever possible.
* Makefile: remove all extra entries from the INCLUDES variable.
* nxdt_includes: move HOS version structs into their own header file.
* tasks: move code for each individual task into its own file(s).
* title: update titleGetGameCardApplicationMetadataEntries() to also count the number of DLCs available in the inserted gamecard for any given base application.
* title: reorder gamecard application metadata entries by name before returning the buffer in titleGetGameCardApplicationMetadataEntries().
* gc_dumper: fixed Card ID Set dumping.
* nacp: updated structs and enums to match latest changes (big thanks to @0Liam !), added helper macros.
* cnmt: added helper macros.
* program_info: added helper macros.
* exception_handler: added helper macros.
* nxdt_utils: only create output directories if the app isn't a PoC build.
* todo: changed task priority order. Sparse/compressed section support is mandatory and must be implemented ASAP.
