Lifestyle event overhaul

Lifestyle events now run through a central handler event and no longer
have wildly different MTTH; also, duelist/poet event now generates
lowborn courtier and no longer requires the character to be unmarried or
without a lover
Minor duelist/poet tweak

Flag that special lady friend, which isn't a clever euphemism in this
case
Merge pull request #86 from thefinestsieve/beta

Lifestyle event overhaul