Move maven/sbt dep info to top of docs
Move maven/sbt dep info to top of docs

I always find it annoying when projects make you hunt for the dependency
info.

beritou/scalaj-http,OElesin/scalaj-http,Wanderfalke/scalaj-http,OElesin/scalaj-http,scalaj/scalaj-http,beritou/scalaj-http,Wanderfalke/scalaj-http