Whole set of Environment Library cmdlets introduced plus breaking change of last update New-K2...->Add-K2...

All documented in synopsis, and most self-explanitory from function name
Also trying out a new thing where either server,port OR connection
string are used.
Get-K2EnvironmentLibrariesAsXML
Get-K2EnvironmentLibraryTemplatesAsXML
Add-K2EnvironmentInstance
Set-K2EnvironmentLibrariesFromXML
Add-K2EnvironmentLibraryTemplate
Remove-K2EnvironmentLibraryTemplate
Remove-K2EnvironmentLibrary
Set-K2EnvironmentLibrariesTemplatesFromXML