generated new helloworld app
update start.cljs to match original helloworld app
remove unused namespaces
copy over helloworld readme and update instructions to be accurate
replace helloworld app with newer one
add Copyright to relevant pages
add a little more to the helloworld-app readme
helloworld-app doesn't use any app-specific templates
Merge pull request #35 from pedestal/update-helloworld-app

Update helloworld app to new dataflow