Changes include:
Passing objects through ... is a no no.
Don't include windows.h on non-Windows
_vsnprintf doesn't exist on non-Windows
A map's first type is const, so a lot of code had to be changed from 'uint160&' to 'const uint160&'
itoa not available on non-Windows
Fix macro silliness when a parameter to a macro contains a comma.
<: is a digraph, so don't use "...shared_ptr<::google::..."
Must match filename case
Add const-correct 'escape' function to SqliteDatabase
Add const-correct 'begin' function to uint160
