Fix resource loading bug, explicitly handle different wikilink serialization formats.
Properly deserialize empty wikilink nodeId from solr.
Replace try/catch with regex match.
Fix println(Unit) bug
Don't query for NIL nodeIds.
Fix output formatting for standard KBP answer output.
Fix key not found error during merging.
Merge pull request #28 from rbart/rerank

Fix resource loading bug, wikilink deserialization bug, and output formatting bugs.