update artworks
better place for license info
IDEA-118774 Warning about lack of subclasses when using lambdas
safe delete: warn about functional expressions
functional expressions: show them in hierarchy view (IDEA-95127)
functional expressions: show in method hierarchy
warn when converting from interface to class in presence of functional expressions
@FunctionalInterface -> CommonClassNames
disable convert interface to class for @FunctionalInterface-s
functional expressions: include in class hierarchy
reorder table items & fix renderers