new_dynarec: Fixed DADD/DADDU

The carry from the low 32bit addition was not propagated when adding the
high 32bit part.
new_dynarec: Fixed Rayman2 freeze on ARM

Don't exclude FSREG and CSREG
new_dynarec: Fixed alignment issue in memory manager by substracting the base address of the cache
Merge pull request #48 from Gillou68310/confirmed

Some fixes for the new dynarec