Add changelog for 2.0.0 Change-Id: I8acad62bfe629454ae5032732693e43fe37b97ff
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.