bncs: Ignore unexpected packets during login protocol

ci: Perform CodeQL analysis

readme: Add fs/lobby to list of packages

w3gdump: Add .time command to print current timestamp

bnet: Add support for SHA1 pw auth (used in old PvPGN servers)

ci: Update travis/appveyor to go 1.12

peer: Reduce number of simultaneous connections in TestMass

ci: Update travis/appveyor to go 1.11

goop: Use time.After instead of time.Sleep to break earlier

CI: Add automatic GH Releases deployment on tags