uSync 8 Release Candidate

Release Candidate for uSync for Umbraco 8

Should sync successfully all doctypes, datatypes, mediaTypes, templates, languages, memberTypes, macros - with content edition will also do media, content, dictionary items and domain names (culture and hostnames).

All syncing works, there are some minor issues in how changes are reported for content properties, but this doesn't affect the operation of the sync process.