Merge pull request #36 from ARTFL-Project/master

Update downstream
incomplete implementation of metadata unfiltering
change hardcoded create_date to date in time series
Tweaks to time series report
add a new web_config.cfg file to configure options specific to the web app
more bug fixes
update the web config handler
change Loader and template code to support new web_config.cfg file
fixes related to the web config change
additional updates for the web config change
bug fixes
fix rendering of sidebar menu
add a favicon
bug fixes and clean-up
Merge pull request #191 from clovis/master

update upstream