Completed protos.h split and code refactoring

Complete the task of splitting protos.h into more specific files
Remove inclusion of protos.h from most files
Clean CVS and arch file-tags up
Rework some module initialization code so that it is the callee's task and not the callers' to do feature-enabling
Added ssl-crtd option to the maximus build test
Changed many functions' linkage type from C to C++