Implement unit test for creating and validating HeuristicLab samples

[swagner]

Updating and validating all samples of the start page is a cumbersome task which should be done automatically in a unit test.

[gkronber]

r6436 added a unit test to create and run GP samples.

[gkronber]

r6439: implemented unit test to create and run the symbolic regression sample (towerData.txt)

[gkronber]

r6440: implemented unit test to create and run the symbolic classification sample (mammographic masses)

[gkronber]

r6441: implemented unit test to create and run the GA VRP sample.

[gkronber]

r6442: disabled SubroutineDeleter and ArgumentDeleter operators in the artificial ant sample.

[gkronber]

r6474: updated result assertions for GA samples

[gkronber]

r6476: added remaining unit tests to create and run optimizer samples.

[gkronber]

r6477: fixed result values in assertions for the unit test of the PSO_Schwefel sample.

[swagner]

r6544: Added missing license header, formatted code, adapted region descriptions.

[swagner]

Thanks for implementing all these tests. They are very helpful and take away the pain of manually creating all the samples. Great work.