Common I/O, take 2#1068

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eugeneia wants to merge 14 commits intosnabbco:masterfrom

eugeneia:common-io2

Commits on Nov 9, 2016

core.config: add `configure' callback to apps.
eugeneia
committed

Commits on Nov 14, 2016

intel_app: correctly set vmdq, and detect promiscuous conflicts in queues.
eugeneia
committed

Commits on Nov 16, 2016

apps.io: resolve name conflict with standard Lua io module.
eugeneia
committed

Commits on Nov 17, 2016

apps.io: centralize polyfill implementations in apps.io.common.
eugeneia
committed