Parse public chat data to guess player levels
Show tooltip on @nickname spans in chat
Distinguish guessed and sure levels
Show detailed player level
Bump versions
Merge pull request #667 from fkloft/guess-player-levels

guess-player-levels
moved iitc source preference to advanced settings
Use minimum level instead of guessed level

(The dialog description says 'Players have at least the following level:')

At first, many players might be shown as L1, but this will fade as soon as deploy messages by them are captured.
guess-player-levels: make player names colored and clickable