Fixed download speeches error.
Added deletedb to manage.py
Modfied aws.sh with createdb and deletedb functions. Added concurrency=2 in Procfile for celery.
enabled multiple process
updated settings
fixed the progress checker in python
concurrency autoscaling
added progressbar to analyze
Created pf-cli.sh for the bash functions. Modified aws.sh
Make aws.sh executable.
Merge branch 'dev' into alpha
modified aws.sh
Added Piwik tracking.
Added hummingbird chat.
Wrong path for hummingbird chat files.
update path in index.html
Change index.html hummingbird paths.
Change color of chat window. Scroll when message sent.
fix scroll down on chat
Remove href attribute on chat window