Bump to Scala 2.11.3.
Bump to Scala 2.11.3.

The specific motivation is that scaladoc in 2.11.3 fixes an
issue with picking up indentation in code blocks properly.

lift/framework,lzpfmh/framework-2,lift/framework,sortable/framework,listatree/framework,lzpfmh/framework-2,lift/framework,lzpfmh/framework-2,sortable/framework,listatree/framework,sortable/framework,listatree/framework,listatree/framework,lzpfmh/framework-2,lift/framework,sortable/framework