Merge pull request #83 from chrqls/dev

[#39] Updating web client for teacher (0.8.4) and a timer in webapp for student
[#39] Replacing 'Quit' per 'Logout'
[#39] Pink box instead of red if teacher send a message to a specific student
refs #75 Update student web doc
refs #75 Wrap up smile student web guide
Merge branch 'dev' of github.com:RazortoothRTC/node-smile-server into dev
refs #75 Fix some reference issues
refs #82 Fix some wording issues
refs #82 Update publish docs
[#39] Yaaaay, retake operational on web client ! I also reduced decimal size to 1 number for results in student table
Merge commit 'd987761' into dev
refs #82 Clarify some language
[#39] Stat for questions: red if 50% or less, green if above 50%
Merge commit '53db468' into dev