GROOVY-6128
possibility to generate stubs in custom encoding
generating stubs in java source encoding by default
GROOVY-6128
if not specified, stub generator uses platform charset
[GROOVY-6890] NamespaceBuilder(Support): allow automatic detetection of namespaces declared in attributes
Merge pull request #377 from artaban/master

GROOVY-6128
Merge pull request #460 from mguillem/marc

[GROOVY-6890] NamespaceBuilder(Support) detetection of namespace in attributes
GROOVY-6981: fix wildcard bound usage
Added binary compatibility report