Added forward curve index to repo.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1335 48fcbb9e-5639-0410-8b25-842128a4905d
Improved JavaDoc.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1336 48fcbb9e-5639-0410-8b25-842128a4905d
Code cleanup.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1337 48fcbb9e-5639-0410-8b25-842128a4905d