Moved SimilarityAnnotator away (into Thrax).
Added server-like tool for packed grammars.
Add rudimentary server for packed grammars. Close file handles in packed grammars.
Merge branch 'devel' of https://github.com/joshua-decoder/joshua into devel
Merge pull request #112 from jganitkevitch/devel

Closing of file handles in packed grammars.