Prefer updated GNU core utilities over default OSX ones
minor tweaks to the (obsolete) brewfile

for posterity/reference i guess
install imagealpha and imageoptim after all in (obsolete) caskfile

for posterity/reference i guess
prefer boom from app store, couldn't get the cask one to work
replacing dash and screenflow with appstore versions in caskfile due to licensing issues (bought via appstore... doh)
update TODOs in caskfile with instructions on missing apps
cleanup unused custom casks
final caskfile tweaks for posterity/reference
adding some custom aliases from our old .profile