Add `purge` parameter to control all purging, deprecate `purge_config…#401

Merged

jlambert121 merged 1 commit intosensu:masterfrom nhinds:purge-hash-parameter

Aug 11, 2015

+174-44

Commits on Aug 9, 2015

Add purge parameter to control all purging, deprecate purge_config and purge_plugins
nhinds
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