Fix: Exclude silverware cookbook when running specs
Fix: Exclude silverware cookbook when running specs

Change-Id: I43b42c309c08367268d2daa2f0a8361860029adf

infochimps-labs/ironfan-pantry,infochimps-labs/ironfan-pantry,infochimps-labs/ironfan-pantry,infochimps-labs/ironfan-pantry