Remove redundant full texts between Lucene Indri and SQLite
MergedResults
Fix LuceneSearcher and IndriSearcher to fill in titles and text from SQLite: part 2
Make Namerecognition and Merging into researchers, add SQLiteDB class, move ScoreQMap, add search caching
resolved issue#19
Merge remote-tracking branch 'origin/iss19' into separate_sources

Before putting these two branches into master, let's make sure they work.
Integrated Walid's Weka code
Some minor changes to enable statistics
Merge in Jagan's Pipeline2
Separate scores from documents
Put together Phani and Jagan's String manipulation code
StringUtils needed some tests
Fix some tests; clean code a bit; found an error in (non-master) GenerateSearchResultDataset
Merge branch 'separate_sources'

Conflicts:
	src/main/java/uncc2014watsonsim/Answer.java
	src/main/java/uncc2014watsonsim/sources/GenerateSearchResultDataset.java