0.9.0-SNAPSHOT
exclude specs2 from lift-json.
this is lift-json bug
https://twitter.com/kxbmap/status/296182772010201088
https://twitter.com/xuwei_k/status/296185360977895425
https://twitter.com/xuwei_k/status/296186652966154240
Merge pull request #26 from xuwei-k/exclude-specs2

exclude specs2 from lift-json