Merge pull request #1 from serialhex/master

Pull in new stuff.
Remove php2.nanorc, seems less complete
Remove comments which are irrelevant in normal use.
Another perfect duplicate.
Remove more contextually-confusing comments.
Have bash.nanorc operate on files with the Bourne-again-specific extension
Merge pull request #6 from aaronhamilton/master

Remove more duplicate and inferiour files.