v2.0	UPDATE: Fixed FindBugs recommendations (Release Team) 23/03/11
	Ran FindBugs and fixed issues it flagged non of which effect the
	running of the program

v2.0	BUGFIX: Replacement Problem (AB) 23/03/11
	Fixed issue where during replacement and invalid individual could
	enter the population. Now the invalid is replaced by a parent.

v2.0	FEATURE: Added new super properties file (DF) 11/03/11
	Added property file that contains all the possible properties required
	by GEVA. Commented as needed
	
	Updated:
	TemplateProperties.properties

v2.0	UPDATE: Updated properties files to reflect changes (DF) 11/03/11
	Updated properties files to reflect changes made in the release such as
	refactoring

v2.0	FEATURE: Updated SinglePointCrossover.java (LW) 11/03/11
	Made crossover point be, by default, in the effective or used region
	of the chromosome

v2.0	FEATURE: Added SubTreeMutation and SubTreeCrossover (LW) 2/03/11
	Added Subtree Mutation and Subtree Crossover to release
	Added:
	Operator/Operations/ContextSensitiveOperations/SubtreeCrossover.java
	Operator/Operations/ContextSensitiveOperations/SubtreeMutation.java
	
v2.0	FEATURE: Added new required methods to GenotypeHelper (LW) 2/03/11
	Added methods required by GenotypeHelper.java

v2.0	BUGFIX: Fixed DerivationTree.java (AB) 2/03/2011
	Fixed issue where when using GECodonValue it was possible to perform
	wrapping even when set to zero. Added test to test class to check this
	doesn't happen
	
	Updated DerivationNode.java
	Updated ContextualDerivationTree.java
	Updated ContextualDerivationTreeTest.java
	To work with new DerivationTree.java

v2.0	BIGFIX: Updated MaxProblemInterpreter (LW) 2/03/11
	Fixed issue where fitness may not calculate properly

v2.0	BUGFIX: Update StaticIntList size increase (AB) 2/03/11
	Fixed StaticIntList.java to increase its size by 10% instead of 100%
	to reduce chromosome expansion

v2.0	UPDATE: Updated libraries (DF) 2/03/11
	Updated the external libs used by GEVA to the latest stable releases
	
v2.0	REFACTOR: Renamed RampedFullGrowInitialiser (LW) 2/03/11
	Renamed RampedFullGrowInitialiser to RampedHalfAndHalfInitialiser.java
	and refactored code as needed

v2.0	BUGFIX: Fixed rampedFullGrow (LW) 2/03/11
	Fixed issue with depth and comparison

v2.0	FEATURE: Adding new grammar for AntTrail problems (DF) 
	We have added a move complex grammar for the Ant trail problems 
	
	sf_interpreter_enhanced.bnf
	
v2.0	FEATURE: Adding new interpreters for problems (LW) 2/03/11
	We have moved external interpreters to and external interpreter
	package to remove any confussion of what interpreter to use and
	added new interpreters for the following problem/s
	
	Symbolic Regression now uses SymbolicRegressionIntrepreter.java
	SantaFe Ant Trail now uses SantaFeAntTrailInterpreter.java
	ParityPRoblems now use BooleanInterpreter.java
	
V1.2    FEATURE: Adding new problems (JB) 24/06/10
	We have added the max problem, the Royal Tree problem and the
	lawnmower problem from Koza's Genetic Programming We also added
	some new ant trails, San Mateo and Los Altos.
v1.2    BUGFIX: Fixed shadowed Collector object in Main.Run.java(28/6/10) (JMS) 
        Main.Run.java (R1637)
	deleted variable that was being shadowed in main.run class
	Main.Run
v1.2    BUGFIX: removed xor fro even five parity problem grammar 25/6/10 (DF)
        param.Grammar.efp_grammar_gr.bnf(R1629)
v1.2    BUGFIX: added derivation_tree variable to ExperimentalBase.properties 25/6/10 (DF)
        param.Parameters.ExperimentBase.properties(R1632)
v1.2    BUGFIX: PS saving error in LSystem problem. 28/6/10 (EM)
	Fixed the LSystems bug that occured when saving to eps file. Error
	was at com.rie.rieps.engine.factories.PSFactory:114. Rectified by
	modifying GEVA/build.xml to include resources from source dirs in
	the jar.
	GEVA/build.xml (R1634)
v1.1 	18 february 2009
	v1.1 is a bug fix release which updates the code for the Santa Fe
	Ant Trail example problem. Edited the trail so move, right and
	left can only be done if there is energy left Changed the facing
	of the ant in the start position to East(x=0,y=1) instead of
	South(x=1,y=0) Changed left to right and right to left. Thanks to
	Bill Teahan and Loukas Georgiou for highlighting the ant starting
	position and left/right bugs.

	
******Changelog template******
version changeType: Title of change Date (initials)
	a brief description of the bug
	a brief description of the solution
	list of files and the revision in which they were changed
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