GO Contact Sync Mod Code

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- Show sync result in Log TextBox also when Balloon notification is switched off (Show no sync result in system tray)
- Show Product.ApplicationName in sytem tray icon and balloong => therefore I have changed the AssemblyInfo.AssemblyProduct to "GO Contact Sync Mod"

- only show warnings in notifyicon.Tooltip, if there are any
- show "Sync failed" in notifyicon.Tooltip, if there was an error

Checked also OutlookContacts without Match, if they are already in the GoogleDuplicates and skip them then with an Error message

completely refactored the MatchContacts function by first checking the syncIds and only if those don't exist, check some unique properties

Fixed several issues when saving ContactSync
Especially handling of primary and secondary fields (e.g. phone numbers or emails) has been improved
- commented out UpdateContact function because this is not necessary if a proper SyncOption consideration in SyncContact already decides which direction to use

Fixed several issues with the sync:
- Fixed issue to sync photos properly
- Considered SyncOption
- Added some log messages if contacts are skipped

- Fixed some issues with the log textBox (e.g. now scrolls always to bottom not to top and is also cleared when resetting Matches)
- enhanced the NotifyIcon: Show lastSync in ToolTip and show skipped and errors in notifyIcon.BalloonTipIcon

Reset also the Outlook property [sync.OutlookPropertyNameSynced] when resetting the OutlookGoogleId

replaced AppDomain.CurrentDomain.BaseDirectory by Path.GetTempPath to enable also users without write permission to the installation path to sync photos