1. Fix the release script to ignore the version.h checking.
2. Fix some ceres documentation formatting errors.
Change-Id: I3fd6b85e771b242f463d6a36c3efd8d691f9242f
1. Complete restructuring of the documentation to account for
GradientProblemSolver.
2. Update the version history to account for changes since 1.9.0.
3. Add links and document the various examples that ship with ceres.
4. Documentation for GradientProblem GradientProblemSolver.
Change-Id: If3a18f2850cbc98be1bc34435e9ea468785b8b27