(#2925) - "10 things" blog post
upgrade for real
jshint
remove derequire from tests
remove through
Revert "remove through"

This reverts commit 93e74b3148bed3e5da8d9debbfd55fcbe0cb263a.
Revert "remove derequire from tests"

This reverts commit 1534a812c8959c7033ff1aebd3f6a09823ccb720.
callback
fix indent
fixed perf tests
fix migrate substitution