Fix bad assignment causing sourceType to fail

Closes #184.
Remove unused import
Support local refs for jsonschema2pojo.org

Close #183.
Add integration test for enum using extended characters
added m2e mappings.
Moved generation code from CLI package to core.
Updated module dependencies, so that core is the entry point, instead of the CLI.
added composite annotator creation to factory.
added an enumeration of the boolean features.
added commons-io to the core project.
added name helper for package names.
added package mapper.
license header
made commons-io compile scoped.
added maven utils.
added package mapper to schema mapper.
added package lookup when resolving $refs
wired new builder pattern into clients.
updated package mapper to work on URIs instead of paths.
added a test focused on naming changes.
removed development notes.