Fixed that YAML plugin configuratator wasn't requiring YAML.
Fixed that YAML plugin configuratator wasn't requiring YAML.

Added a require for YAML before trying to load the plugin configuration.

Signed-off-by: Michael S. Klishin <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@novemberain.com>

wycats/merb,merb/merb,wycats/merb,wycats/merb,wycats/merb,merb/merb,merb/merb,wycats/merb