remove dashes from git paths so they work on 1.6.0+
remove dashes from git paths so they work on 1.6.0+

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

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