SolverCeres: more parameters

Currently, there are very few parameters to tune Ceres. Type of minimization is hardcoded to Levenberg-Marquardt and some ending conditions as well.

added Doing label

assigned to @joanvallve

created merge request !426 (closed) to address this issue

mentioned in merge request !426 (closed)

mentioned in merge request !427 (merged)

closed with merge request !427 (merged)

mentioned in commit 7cc7b2f0

removed Doing label