Added two custom maps for testing for next release.

They are both made by developers of CorsixTH.
According to issue 1453.

git-svn-id: http://corsix-th.googlecode.com/svn/trunk@1931 c39591fa-788f-11de-a72b-d90af8dea425
Sorry, renaming these custom maps resulted in errors by starting them.

git-svn-id: http://corsix-th.googlecode.com/svn/trunk@1932 c39591fa-788f-11de-a72b-d90af8dea425