Strip redundant logging config from tutorial INI files.

Leave it for the 'logging' and 'scaffolds' sections, where it is germane.
Merge branch 'master' into redundant_totuorial_logging_config
Merge branch 'redundant_totuorial_logging_config'
modify changes wrt logging config stripping
fix merge conflicts
Merge branch 'master' of github.com:Pylons/pyramid