Add two BBEdit text filters that match the functionality of the "accept" and "reject" services.

The Critic Markup toolkit ships with a pair of services to accept/reject Critic Markup annotations. These text filters largely recreate those services. Adding these to provide an alternative to the services.
Merge pull request #32 from pdxmph/master

Add two BBEdit text filters that match the functionality of the "accept" & "reject" services.