Implement new_session=false for get_config operation for #41
adding html files referred to in hard-coded urls in chart_template.html.  This is a fix to issue #72 https://github.com/hburgund/roundware-server/issues/72 but clearly needs to be more fully addressed later
Merge pull request #100 from eosrei/issue/41/new_session

Implement new_session=false for get_config operation for #41
adding standard wav files to allowed audio filetypes
Set default session id and API URL for Asset uploads
Replace gst with mediainfo for audio length to fix #106
Removing ClamAV asset upload scan for #107. Possibly temporarily.
Enabling debug toolbar for vagrant and logging for runserver
Standardize logging, live error+ to /var/log/roundware and dev debug+ to runserver console.
Merge pull request #110 from eosrei/logging

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