Allow OutputProcessor to load before ruby_parser

as reported by @mastahyeti in #459
Merge pull request #460 from presidentbeef/allow_output_processor_to_be_loaded_without_ruby_parser

Allow OutputProcessor to load before ruby_parser
Revert "make sure ruby_parser is loaded before removing Regexp constants"

This reverts commit 3243d8bb77fc3bffb9b2742c2d074e224276a16b.
Merge remote-tracking branch 'origin/master' into pull_in_ordering_fix_from_upstream
Merge pull request #3 from github/pull_in_ordering_fix_from_upstream

Pull in ordering fix from upstream