well possibly was JA mod, its server only, that means that you can do emotes without having the mod, but if you want them in your server download JAmod, its the friendlier(?) mod about emotes, also has admin power, but I never use it.
there's somewhere in academy.jediknightii.net
*edit* get it here http://academy.jediknightii.net/files/JAMod12.zip
create a shorcut in this way:
"C:\Program Files\LucasArts\Star Wars JK II Jedi Outcast\GameData\jk2mp.exe" +set fs_game academy
or whatever the installation rute is (sorry for the lack of sense in this last line but english its my second language and I still have some grammar mistakes)