dyncom: Fix SMULWB/SMULWT

Wasn't doing proper sign-extension

Ported the CoreTiming namespace from PPSSPP

Implemented the required calls to make it work.

CoreTiming: Added a new logging class Core_Timing.

Fix double-free in Service manager during shutdown

Fixes #423.

dyncom: Fix SWPB

dyncom: Move over SMLALXY

Remove dead platform #ifdefs to make the code more readable.

Archives: Change the folder layout of some archives.

It now refers to me as the PoC

Symbian, Xbox, Blackberry and iOS got removed.
FreeBSD and Android kept due to them potentially being able to run Citra in the future.
The iOS specific part also got removed from PPSSPP in order to fix a bug there.

Renamed all .hxx headers to .h

Added exclusive reservation granule from ARMv7 spec to dyncom...

Remove x86 specifics

Services: Clean up a few things and add a few function names

Silence some -Wsign-compare warnings.

dyncom: Partially emulate BXJ

Just in case some game studio let the intern write inline assembly or something.

DSP: Signal (faked) interrupt on every frame.

dyncom: Actually set the Q flag for SMLABB/SMLABT/SMLATB/SMLATT

Easy skyeye todo fix.

dyncom: Implement QADD/QSUB/QDADD/QDSUB

- Hack to work around games checking that the DSP event has been signaled by a real DSP interrupt.

AddressArbiter: Ported arbitration type 2 from 3dmoo.

Loader: Add support for loading NCCH ROMs with the .3DS extension

Mutex: Add the calling thread to the waiting list when needed