Articles version 1.9-5.0

All vignettes

• SGP 1.4-0.0
• SGP 1.5-0.0
• SGP 1.6-0.0
• SGP 1.7-0.0
• SGP 1.8-0.0
• SGP 1.9-0.0
• SGP 1.9-5.0
• SGP Data Analysis
• SGP Data Preparation
• Getting started with SGP