One argument constructors are explicit.
Add missing #include directives.
Spelling error correction and todo for MC.
Deprecate orig_ids_, parent_, id_, vote_number_.

Event classes now have their original ids as a member variables.
The parent, vote number, and other initialization vars are from the
previous initialization logic.
Events throw messages with original ids.
Fault tree class uses original ids to report errors.
Refactor Reporter for MC results.