Initial updates for 64-bit bugs

Still fails under ActivePerl 5.14 64-bit
More changes for 64-bit

Initialize struct values for MEMORYSTATUSEX to avoid warnings. Change
registry key access method to avoid errors.
Remove print statement
Update POD
More updates
Tweak POD

Remove reference to return value from ProcessorInfo. Add dmake
information.
Merge branch 'v012' into develop