Revert "Add exclude-dirs attribute" (this feature is broken)

This reverts commit 55e129ed03a9135068b5c1608d73a58fe404e06d.
force tty on ssh so sudo always works
bump version to 0.2.2
add exception for requiretty in sudoers files
bump version to 0.2.3
remove nrpecheck removal code due to its inherent statefulness/bugginess
add --exclude-other-filesystems
Merge branch 'master' into rettigs/refactor

Conflicts:
	metadata.rb
	recipes/client.rb
	recipes/server.rb