Fixing bug in window.chat.setupTime

Problem:
"#chatinput time" use "toLocaleTimeString().slice(0, 5)" to get time, but hh:mm not always at 0-5 in all locale




Fix:
Use "toISOString().slice(11, 16)" to get time for "#chatinput time"
Merge pull request #30 from Xelio/gh-pages

Fixing bug in window.chat.setupTime