linkedin/dustjs — pull request #399 by prashn64 (2014-01-15 02:39:43+00:00)
Title: Don't swallow all errors by default.  Deprecate isDebug and just use debugLevel. Add a silenceErrors flag to swallow all errors.

This also patches the 2.1.x branch and then the 2.2.x branch, whose latest versions(2.1.1 and 2.2.4) should be puslished.