Document why we are stuck with spray-json fork
Remove work-around for scaladoc regression in scala-io

It has been fixed in Scala master.
Merge pull request #21 from gkossakowski/fork-less

Small cleanups and documentation of forks
Restore notifications
Bump dbuild to 0.8.1-20140306 in Community-2.11.x
Remove spray-json fork.

All Scala 2.11 compatibility patches has been merged upstream. Moreover,
spray-json upgraded to sbt 0.13.x which makes it easier to integrate into
dbuild.
Update dbuild version to 0.8.1
Merge pull request #22 from cunei/wip-restore-notifications

Released 0.8.1 to address the failing extraction; updated the community builds to 0.8.1.
Merge pull request #23 from gkossakowski/fork-less

Remove spray-json fork.
Merge remote-tracking branch 'typesafehub/master' into spire
Remove work-around from spire build definition.

The bug that was causing Scala compiler crash in spire's tests has been
fixed upstream. We can build entire spire now.
Remove unnecessary emphasis from comments.

Support for Scala 2.11 is becoming a default now. No need to emphasize that
anymore.