ceres-solver-1.14.0-bp153.1.18

- Rename %soname to %sover to better reflect its use.
- Trim filler wording from description.

- Use a _service file for download and compression
- Update to version 1.14.0
  * New EvaluationCallback API. (Keir Mierle)
  * TBB based threading (Yury Prokazov & Mike Vitus)
  * C++11 threads based threading (Mike Vitus)
  * A ceres::Context object to cache and keep track of global state.
    (Mike Vitus)
  * TinySolver - A small dense solver meant for solving small problems
    really fast. [EXPERIMENTAL] (Keir Mierle & Sameer Agarwal)
  * Bazel Build. (Keir Mierle & Rodrigo Queiro)
  * Several other moinor fixes and changes
- Update to version 1.13.0
  * LineSearchMinimizer and GradientProblemSolver are up to 2x faster
    due to fewer function evaluations. (Sameer Agarwal)
  * SPARSE_NORMAL_CHOLESKY is significantly faster because Ceres now
    computes the normal equations exploiting the static block sparsity
    structure. (Cheng Wang & Sameer Agarwal)
  * Add compound with scalar operators for Jets. (Alex Stewart)
  * Enable support for AVX instructions for Jets. (Alex Stewart)
  * Several other moinor fixes and changes

- Initial package (Eigen-only)