Bumped version to 1.2.3 and cross build against 2.10.0-RC3.
Bumped version to 1.2.3 and cross build against 2.10.0-RC3.

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