Patch: Check all the pointers in a chain for null values

IOP: Override memory size argument to IOPBOOT

This makes the extended IOP ram accessible on regular bootroms

Qt: Save cover downloader URLs

Docs: Remove git rebase markup

CMake: Add option to disable position independent code

GS: Add CAS texture copies counter info.

IopCounters: Cast to u64 to get full 64-bit mask

mvu: fix missed 64bit conversion

Qt: Explicitly include source files generated by moc

FSUI: Use locale sensitive sort for game list