GROOVY-6094: Set line/column information for import nodes
GROOVY-6094: Alternate fix that doesn't break external APIs
GROOVY-6094: Make the workaround more "local" to AntlrParserPlugin
GROOVY-6093: @XmlEnumValue annotation is lost from enum constant during compilation
minor tweak to error message for improved consistency when compared to other AST transforms
Merge pull request #161 from melix/GROOVY-6094

GROOVY-6094: Set line/column information for import nodes
GROOVY-5749: Groovy Console -- Option to Auto-Save on Run - autosave only on existing script files