add support for dictionary based compound word filter
partially addresses #115
add ability to configure color for ANSI highlighter
closes #123
adding bleve_bulkindex utility

Usage:

    bleve_bulkindex -index path file.ldj [file2.ldj, ...]

where file.ldj is a line-delimited JSON,
each representing a document. docIDs are autogenerated.
Merge pull request #124 from miku/bleve_bulkindex

adding bleve_bulkindex utility
fix bug which prevented size=0 via JSON
properly return multi-value fields in an array
refactored integration tests into separate package
also made integration tests declarative
you can now easily define new datasets/mappings/searches/results