support jtv "/me" command, logic is in UI at this point, need improved
add save/clear button to logPane, rename package jtchat.gui.include ->
jtchat.gui.util
rename SettingTable to Profile, add Profile save/load panel
save profile to file
load profile (in progress), adjust gui package path
load profile to setting panel
apply change to chatroom window after loading a profile
set default directory (./) for JFileChoosers, fix an profile saving error
add About Panel, add readme.md, update todo list