Only show the time ranges valid for each benchmark
Update Homebrew as part of the nightly script.
.gitignore a log file copy
IRFY_DEV_MODE env var to expediate testing
Make bundling wipe Gemfile.lock and retry on failure
Wipe and reinstall if install fails; also kill the head git repo
(fix comment)
Workaround RVM deleting the archives folder
Skip Ruby repo re-downloads from git in IRFY_DEV_MODE
More stuff to help RBX build
Add MRI 2.1 Stable and MRI 2.1 Head
Only benchmark certain rubies