Merge remote-tracking branch 'origin/feature/8913_nested_algorithm_history'
Merge remote-tracking branch 'origin/bugfix/9421_gcc4.8_numpy1.7_warnings'
Re #9441. Adding some CompressEvents calls.
Re #9441. Removing support for histogram files.
Re #9441. Removing option to filter by log value.
Re #9441. Removing extra compressions
Merge branch 'feature/9441_memory_in_calib' into develop