small fix to logging -- only mkdir if it doesn't exist
Merge branch 'ubuntu-merge' of github.com:ga-instructors/installfest_script into ubuntu-merge
prepping next step in walkthrough: add node
prepping next step in walkthrough: add apps
add yes flags to add-apt-repository so user isn't prompted
moved atom out of apps to take snapshot
prepping next step in walkthrough: add apps (w/o heroku)
prepping next step in walkthrough: heroku and gems
prepping next step in walkthrough: heroku only
prepping next step in walkthrough: gems gems gems
realized branch env var is a problem
added dynamic branch file to rake
merging in pj
merging in pj
update