fix \&/#bifoldMap
separate deprecated methods

this changes does not break source compatibility,
and fix unnecesary deprecation warnings when using `import Scalaz._`
Note support of sbt.
deprecated OptionOps#fold
Merge pull request #488 from xuwei-k/OptionOps-fold

deprecated OptionOps#fold
EphemeralStream#zip crashed on unequal lengths; fix & test.
Make Foldable#intercalate nonstrict.
Avoid autountupling.
Merge pull request #483 from xuwei-k/these-bifoldMap

fix \&/#bifoldMap
Merge pull request #484 from xuwei-k/IdOpsDeprecated

separate deprecated methods
Merge pull request #485 from S11001001/topic/sbt-thanks

sbt support note