renamed String2IntBidiMap to FrontCodedString2IntBidiMap
Made WikipediaForwardIndex more robust.
Tweaked wiki integration test.
Fixed integration tests.
Created wikipedia.graph package for operations on graph; added BFS integration test.
Contortions I need to go through to change BFS -> Bfs (case).
Renamed Bfs classes; refactoring to kill warnings.
Added code for extracting anchor text.
Merge branch 'working'
Published version-1.4.16 artifact