Working on issue #15 - clients can enter a paused room
room counts should be made after pausing and unpausing a room
Adding a log file option for the chat

Makes it easier to debug afterwards. Remember to name the log file to suit your needs in config.json
Adding example logging configuration
Continue work on issue #15 - clients can enter a paused room
Add configurable full room link
Adding feedback URL to admin UI
Adding fullRoomLink to config.json example
Adding function to check for counselor presence in room

To make it possible to prevent clients entering rooms without counselors
Adding clearification comment
sound emitted for counselors when client enters room
Chat duration information added to user object and printed out to chat room

Helps counselors register chat length information
Counselors chat room tools visible as default
Correcting buggy way of calculating chat duration
Calculating chat duration, bug fix
Configurable feedback URL added to admin UI

Makes it easy to change the URL of the feedback page
Adding bootstrap classes
Reversing create room form to original state
Add configurable welcome message to admin UI and moving opeka.base.css back in module
Changing license to GPL v.3