Prepare 0.7.6 release.

Signed-off-by: Gary Pamparà <gpampara@gmail.com>
Prepare next development version

Signed-off-by: Gary Pamparà <gpampara@gmail.com>
CEC 2013 Niching Benchmark Functions

- Added The above mentioned benchmark
- Added the ability for the simulator to handle varying length results files
Removed duplicate entity code and fixed cooperative PSO which wasnt being initialised correctly.
Added anna-earwen's MeasurementCombiner fix.
Fix javadoc links
Added the CascadeHiddenNeuronCorrelationProblem and unit tests.

This new class serves as the a problem to be used in optimisation
during the correlation phase of the cascade-correlation algorithm.

Some classes needed a getClone method and copy-constructor.
Added CascadeOutputLayerTrainingProblem and unit tests.

This problem is used during the output training phase
of the cascade-correlation algorithm.
Small thing that I forgot to commit.