New community resource PSHOrg_cNetAdapterName for Windows Server 2008 R2 and later

- New DSC resource cNetAdapterName (PSHOrg_cNetAdapterName) using
CIM/WMI class Win32_NetworkAdapter
- Added resource root module with help function Convert-MacAddress
- Modified Author, CompanyName and Copyright to "PowerShell.org
Community" in cNetworking.psd1