don't let semver failures abort the whole buildpack
echo errors to stderr
fix error assertions
add test for invalid engine version
give the download url to vulcan directly
add a warning about default version tracking
add profile support
need to export path
escape /Users/david/.rbenv/shims:/Users/david/.rbenv/bin:/usr/local/share/python:/Users/david/.nvm/v0.6.10/bin:/Users/david/.bash/bin:/usr/local/bin:/usr/local/sbin:/Users/david/.bin:/usr/bin:/bin:/usr/sbin:/sbin
use $HOME to build $PATH
call it profile.d
ignore anvil
Merge branch 'profile'
give more grace period
tweak message
remove unused asserts
allow files to be asserted after compile
assert creation of the profile.d script
use .profile.d instead
look for the right file