WinGui: Move the preset system out of the services package.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6544 b64f7644-9d1e-0410-96f1-a4d463321fa5
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6545 b64f7644-9d1e-0410-96f1-a4d463321fa5