report.html: add more space between each result
Add static/ok.png

Public domain image downloaded from:
http://www.wpclipart.com/computer/icons/other_icons/apply.png.html
Add static/failed.png

Public domain image downloaded from:
http://www.wpclipart.com/computer/icons/other_icons/cancel.png.html
Copy static directory content to reports/static directory
report.html: add a summary of tests run
report.html: add tests descriptions
install-deps: install nmap-ncat