dependency gardening updated to use scalaz 7.1.0, needed to update scalacheck to 1.11.5 to fix strange issue with SortedSet arbitraries and fix failure CodecSpecification
use latest released scala version
fixing deprecation warnings, main builder for a JsonObject now takes a Foldable, but is named `.from` to retain backwards compatibility
minor cleanup, added an alternate method to the deprecation message
Merge pull request #121 from jedws/master

dependency gardening updated to use scalaz 7.1.0,