Remove unused jars, remove maven nature.
Add return value to indicate each operation success or not.
Add neo4j database service instance.
Add 'console' static field.
Make console use more simplified.
Make 'ResourceVisitorDelegator' not a field variable.
Using new 'ConsoleUtil'.
Delete unused class.
AstContext holds all AST-related info when parsing.
Add logging.
Modify plugin settings.