Logging System overhaul, using mediainfo, removing clamav, enable/fix Debug Toolbar

Replacing gst with mediainfo to detect audio file lengths.

Removing ClamAV, possibly temporarily.

Verbose roundware/roundwared only runserver ouput for development now includes date/time, file and line number.

    Starting development server at http://0.0.0.0:8888/
    Quit the server with CONTROL-C.
    [03/Jul/2014 21:59:13] INFO <roundware.notifications:13> caught add or edit event, created: True
    [03/Jul/2014 21:59:13] DEBUG <roundwared.server:799> ['/vagrant/roundwared/rwstreamd.py', '--session_id', '2891', '--project_id', '1', '--configfile', '/etc/roundware/rw']
    [03/Jul/2014 21:59:13] DEBUG <roundwared.server:818> waiting 2891MP3
    [03/Jul/2014 21:59:13] DEBUG <roundwared.daemon:52> Daemon PID 16914
    [03/Jul/2014 21:59:13] DEBUG <roundwared.stream:52> begin stream
    [03/Jul/2014 21:59:13] DEBUG <roundwared.stream:56> Roundstream init: bitrate: 128
    [03/Jul/2014 21:59:13] DEBUG <roundwared.stream:57> Roundstream init: getting session id
    [03/Jul/2014 21:59:14] "GET /roundware/?operation=request_stream&session_id=2891 HTTP/1.1" 200 62

Logging configuration details are in roundware/settings/common.py and roundware/settings/dev.py. As before use runserver.sh to start the Django development server.