use case statement
allow :dirs option for .enumerate

Allows custom rake tasks to be defined using:

  SourceAnnotationExtractor.enumerate 'TODO|FIXME', dirs: %w(app lib), tag: true
Remove header bloat introduced by BestStandardsSupport middleware

The same headers were being duplicated on every request.
strong parameters exception handling
Merge pull request #8914 from nilbus/fix-header-bloat

Remove header bloat introduced by BestStandardsSupport middleware
Merge pull request #8958 from balexand/strong_parameters_exception_handling

Strong parameters exception handling
Merge pull request #8955 from burns/source_annotation

Allow a `:dirs` option to `SourceAnnotationExtractor.enumerate`