update documentation for 2.0

[wellercs]

Easiest setup requires you have CommandBox installed, and in your path, or home directory.

http://www.ortussolutions.com/products/commandbox

install wellercs/CodeChecker
server start

browser tab should open
check rule boxes
fill in full path of the app to scan
show screenshot
submit
Results may take some time, depending on the number of files present. Once complete, you should see an HTML version of the report, shown below.
show screenshot
export separates results into tabs

overriding default module settings with config.json

server.json rewrites on