• Fix bug in 'createStartScripts' task that was causing it to not execute 'shadowJar' task (Issue #90)
• Do not include null in ShadowJar Manifest 'Class-Path' value when jar task does not specify a value for it. (Issue #92)
• ShadowJar Manifest 'Class-Path' should reference jars from 'shadow' config as relative to location of shadowJar output (Issue #91)