Checkpoint.
Checkpoint.
Restore DOT writer.
Add collapse methods on JoinedDependencyGraph.
DependencyGraph extends Graph.
JoinedDependencyGraph is now a class.
Re-add pattern code.
Malt and clear compile.
Update clear dependency.
Update Stanford dependency.

NOTE: all models are added to any project with any Stanford dependency for
simplicity.
Divide classes into files.  Add RNN model path.
Use single line format for DependencyGraph toString.
Add option to run Stanford without postags.
Remove failing test cases.
Add dependency serialization and restore remote.
Fix test cases.
Add scalariform.