Don't allow multiple installations to run services simultaneously
Add ability to set service login upon starting a service. Prompt only appears if the current service login is different than the installation's.

To do: Update "Databases & Logins" tab when service login is set.
Installation logins load once more!
(cherry picked from commit 364faf528418f62615374dfe8954cc0e2f1071b9)
Update service login on Database&Logins tab when you switch to it. To do: Fix "Stop All Services" triggering the popup
Fix "Stop All Services"
Merge remote-tracking branch 'origin/master' into FcService_Update

Conflicts:
	BoolTox/BackEndClasses/Collections/FcServiceCollection.cs
	BoolTox/UserControls/UCFcInstallation.xaml.cs
Add ScrollViewer for long autodetected installations lists
Merge branch 'FcService_Update' into origin_master