Bumped SBT version to 0.13.0 final.
Bumped SBT version to 0.13.0 final.

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