This updated script runs also on a case sensible SQL 2014 version:
USE [master]
GO
if exists(select 1 from sys.sysobjects where name=N'InstanceAnalysis_PerformanceBaseLine' and type=N'P')
begin
Drop procedure [dbo].[InstanceAnalysis_PerformanceBaseLine]
end
/****** Object: StoredProcedure [dbo].[InstanceAnalysis_PerformanceBaseLine] ...