The author (markga) created a FAQ about the new Azure AD Sync Tool.
Good news is this long awaited tool has finally shipped and it looks like this is the one tool to leverage for synching local identities to the Azure AD for use with Office 365 Education, Azure services, etc.
Read more at source: http://blogs.technet.com/b/educloud/archive/2014/09/18/new-office-365-directory-synchronization-tool-shipped-called-azure-active-directory-synchronization-services.aspx