Changelog

Latest merge from FD trunk: May 1st, 2014

Added the PO-PRP variant for solving contingent planning problems
Added a script to convert FOND domains to fault-tolerant domains
Improved the information output by the planner
Fixed a bug that prevented long argument lists (>= 10) from being parsed
Fixed a bug that rarely appeared (i.e., not in any of the existing FOND domains)
Changed how forall conditions are parsed so that an and clause is created in lieu of axioms
Added the option to run one final round of policy improvement with deadend detection disabled (useful when deadend detection prevents the closure of leaf nodes that have a weak plan and no strong cyclic plan)
Put in a method for testing changes to PRP through a simple A-B testing scheme (see here)
Fixed a bug with fault-tolerant script for actions with atomic preconditions
Fixed a bug with deadends being detected in the update policy phase but not in the JIC loop proper
Fixed a bug that caused a rare case of self-looping in the policy given the new "best effort" method of policy usage
Added the feature for compressing the solution prior to output (see --optimize-final-policy)
Added a lightweight parsing library to load PRP solutions for external use

Corresponds to this version
Added support for conditional effects
Added a validator script for PRP and Grendel
Added more export options for the final policy
Drastically improved the code and technique for strong cyclic detection
Fixed a bug that caused some deadends to cause crashes
Fixed a bug that reported some plans to be erroneously reported as strong cyclic

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