[eigen] 3.3.5 released!

[Gael Guennebaud <gael.guennebaud@xxxxxxxxx>]

At last, I managed to get MSVC builds again, so here is new release of the 3.3 branch.

This is a maintenance release fixing several minor bugs and compiler issues. For more details, look at the changelog: http://eigen.tuxfamily.org/index.php?title=ChangeLog#Eigen_3.3.5

The source archive is at http://bitbucket.org/eigen/eigen/get/3.3.5.tar.bz2 .

Cheers,

gael