cabal-install 1.20.0.0
cabal-install: update 1.20.0.0 bottle.

Closes #28590.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
qemu: Update to 2.0.0

qemu 2.0.0 was released and this is the update for it. The qemu team suggests (http://wiki.qemu.org/ChangeLog/2.0#Known_issues) to disable gtk to avoid a conflict with Cocoa. Also the patch from macport isn't necessary anymore.
qemu: add 2.0.0 bottle.