Added .classpath and .project so that Eclipse know how to treat it as a
project.
Merge branch 'master' of ssh://bitbucket.org/ericsiggyscott/sigmaec.git
Add utility methods for Double equals..
Add a multidimensional symmetric Gaussian function.
SimpleCircleOfLife now contains a reference to a Problem, and the Problem is told what generation it is on at each step.  This is a hook to allow for dynamically changing landscapes.