Runar's fix for the wye SOE
Upgrade to scalaz-7.1.0-SNAPSHOT and scalacheck 1.11.1
Delete nonworking scaladoc links

Remove scaladoc link to mergeN, because it doesn't work; The linked-to method is overloaded.
I tried disambiguating the link, but it doesn't work. Based on stackOverflow, it seems that disambiguated links don't work for complex
type signatures.
Upgrade scala