Docs: use 0.13.0 on Launcher page
set jline.esc.timeout=0 to prevent it from creating a Thread
bump to sbinary 0.4.2, which is the same as 0.4.1 but the 2.11 version has the right scala-xml metadata
remove redundant crossPaths settings
specify explicit type to work around 2.11 volatile override error
Don't import the Global.Range in 2.11, which shadows the collection Range
additional helpers to build against 2.11 nightlies