anvil-cli is owned by ddollar not by heroku
Merge remote-tracking branch 'forked-from/master'
Merge pull request #56 from martijngastkemper/master

Fixed link to anvil-cli repo
Merge remote-tracking branch 'upstream/master' into master
fix (and clarify) error message on composer.lock parse failure; point out it must not be empty
colon to dots for consistency
raise default log level for new relic to prevent clutter in the logs (e.g. from every CLI invocation during boot)