touch-ups on the log file move to datadir
major refactoring: rpc file
Merge branch 'michael-0921' of http://github.com/mastercoin-msc/mastercore into michael-0921

Conflicts:
	src/mastercore.cpp

post PR109 pull & the big refactoring: new RPC file
continuation of refactoring: moving more RPC functions into its own file
refactoring RPC: go