Add the MIT license text corresponding to the libmv derived files. Change-Id: Ie72fb45ae96a7892c00411eee6873db7f0e365a8
Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.
Please see ceres-solver.org for more information.