Optimizations for live_info
Tweaking timeouts
Cleaning off duplicates
Fixed regression failure for checking updates
support for returning png images
Removed iptables html from toolkit
Merged manually from kyriakos
Merge remote branch 'vaslabs/master'

Conflicts:
	usr/libexec/pi-web-agent/cgi-bin/toolkit/camera_manager.py
	usr/libexec/pi-web-agent/cgi-bin/toolkit/camera_utils.py
	usr/libexec/pi-web-agent/css/images/loading.gif
	usr/libexec/pi-web-agent/html/utilities/blueprint-css.html
	usr/libexec/pi-web-agent/scripts/camera_enable.sh
	usr/libexec/pi-web-agent/scripts/get_pictures.sh