Tidied .gitignore.
Tidied .gitignore.

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