Use Stanford 1.3.5.
Add implicit context.
Cross compile with 2.9.3.
Stanford parser compiles against 1.3.5.
Fix coref resolver for 1.3.5.
Fix ner test case (use token interval instead of character offset).
Use 2.9.2 when 2.9.3 is missing.
Prepare for release of 2.4.2.