Closes #704: Build system broken for cmake 2.8.3 or lower
Fixes #701, fixes #492: Printing of numpy arrays of CasADi expressions for recent numpys
Revert "Resolved octave interface linking error"

This reverts commit 29db6bed09f8acbff3960e9f03ef8448b6febc3c.
Fixes #689
Fixes #705, shadowed variable