Add iteration and time reporting for inner iterations.

Also

1. Remove an inadvertent LOG(INFO) from trust_region_minimizer.cc
2. Refactor some of the code in FullReport to reduce duplication
   across line search and trust region minimizers.
3. Consistent capitalization.

Change-Id: I9078b1704efab23d2858530636f524e60c7d9016
5 files changed