Bumped Scala version to 2.11.6.
Bumped Scala version to 2.11.6.

wheaties/shapeless,Atry/shapeless,alexarchambault/shapeless,roberth/shapeless,notxcain/shapeless,fthomas/shapeless,malcolmgreaves/shapeless,TomasMikula/shapeless,joescii/shapeless,lambdista/shapeless,clhodapp/shapeless,milessabin/shapeless,lukasz-golebiewski/shapeless,isaka/shapeless,liff/shapeless,khronnuz/shapeless,triggerNZ/shapeless,tek/shapeless