v1.0.8

Syntax

• Support yearmonthdayhoursminutesseconds

Fixes

• Fix vl2png and vl2svg – Thanks @sampsyo
• Correct strokeDashOffset schema – Thanks @mprudhom
• Ensure that all output are valid Vega specifications based on Vega Schema – Thanks @mprudhom

Internal

• Move interfaces from src/schema to src/
• Move all compile/mark-*.ts to compile/mark/*.ts