adding --recurse and --only-rb options
adding --ignore-errors option
Merge pull request #1 from lzap/recursive-mode

adding --recurse and --only-rb options
Merge branch 'master' into move_main_loop

Actually backing out already integrated changes.

* master:
  adding --ignore-errors option
  adding --recurse and --only-rb options

Conflicts:
	bin/ripper-tags