Fix a simulation bug in the DDR interface.
Implement reporting of user+system time and memory usage.
Use more escapes for '#' in configure.ac.
Add missing configuration for DCache.
Added exceptions to execute stage
Fixed bug where handler scheduled before suspended + exception table arbitration

Conflicts:
	arch/proc/ISA.mtalpha.cpp
	arch/proc/WritebackStage.cpp
RPUT now supports 64 bit values
Added exceptions to few more places, still not complete
OP/FPOP exception detection

Conflicts:
	arch/proc/ISA.mtalpha.cpp
remove illegal instruction exception for alloc.
Most overflow exceptions
Bugs and improvements exception system
DCache exceptions

Conflicts:
	arch/proc/DCache.cpp
	arch/proc/MemoryStage.cpp
RGET/RPUT via network (not accessible for user yet)

Conflicts:
	arch/proc/ISA.mtalpha.cpp
	arch/proc/Network.cpp
	arch/proc/Network.h
Fix chkex and exception handling bugs.

Conflicts:
	arch/proc/WritebackStage.cpp