Frontend-STFL: Update manpage (signals are handled now)
Server: update manpage (signals are handled)
Frontend-STFL: Implement _LocalSession and its init code
Frontend-STFL: Implement IsLocalSession
Frontend-STFL: Implement gentle session shutdown on quit
Frontend-STFL: handle signals
Merge pull request #176 from NattyNarwhal/stflsignals
Merge pull request #175 from NattyNarwhal/manupdate