Reordering

Created a library Reordering which is ment to be an alternative for Binary and Continous.
Added the example traveling_salesman.hs to demonstrate how it works.

There is administrative work to do: I couldn't manage to import and export the functions the way I wanted. Thats why the example is in the wrong directory. Sorry, but I am still learning.
The public module should be listed in `moo.cabal` in the section `exposed-modules`` of the Library target and in the section `other-modules` of the Test-Suite target.

Other modules should be listed in in `moo.cabal` in the section `other-modules` of both targets.