Add JsonCpp for reading and writing JSON objects
Add error and complete signals to vtkAnalysis

Add signals to signal the two termination conditions of an analysis.
Needed to allow analysis to be run async.
Add information() accessor to voCustomAnalysis

Add accessor to allow subclasses to access the
voCustomAnalysisInformation field.
Add remote analysis server R pipline

Reimplement custom anlysis code in Python to be run remotely
via Celery.
Add remote custom analysis to Visomics client

Allow custom analysis to be run remotely through a REST API on
a remote server.
Temporary commit to add example custom script in correct location
Remove dependence on R

Now that R jobs can be run remotely remote it from the client to
simplify build and install.
Fix copy/paste error in header guard
Allow viewType to be specified in XML

Allow a custom view to be specified fo analysis outputs.
Monkey patch vtkobject to thrown exceptions
Process multiple outputs based on outputs
Add calls to setup multiple inputs/outputs
Add viewType for custom analyses
Support range parameters in custom analysis
Change VTK file format to binary

To support NAN values use binary file format. Base64 encode the
data for inclusion in JSON objects.
Add remote ANOVA analysis
Convert "unkown" to ""
Add remote FOLD change analysis
Read tree in binary format as well
Add remote Geiger models analysis