minor change: range of connector count is [2-4]
set the default number of connectors at creation is 2,
the mask range from 1 to 9
Merge branch 'master' into sidorov_NumberOfConnectorsInSetupIs2

Conflicts:
	src/PrizmMainProject/Forms/Settings/SettingsXtraForm.Designer.cs
Merge pull request #682 from olga-jane/sidorov_NumberOfConnectorsInSetupIs2

minor change: range of connector count is [2-4]