Initial OpenPSA scheme files.
Add share subdirectory.
Choose RNG full form instead of compact for readability.
Add an example fault tree with OpenPSA input format.
First working rng scheme for fault trees.
Model-data inclusion.
OpenPSA MEF expressions and Stochastic layer.
OpenPSA MEF Event Tree schema.
Remove auto-generated RelaxNG files.
Add XML parser files from Cyclus project.
Fixing for Ubuntu 12.04.
Catch exceptions by reference.
Documentation update before the fault tree structure change.
Intermediate events to gates change in Supersets.
Gates and Nodes instead of events in a fault tree.
Rename files after introducing node classes.
Introduce FaultTreeAnalysis instead of FaultTree.

This should have been done from the start because FTA implements
RiskAnalysis not FaultTree. Fault Tree should be a tree that is used in
FTA.
Add Fault Tree Class representing the tree.
XML input file for TwoTrain fault tree.
XML input files for ABC and AB_BC fault trees.