#1032 API: created requests / responses for server control widgets
Merge branch 'dev-1.7.0-api-upgrade' of github.com:devbridge/BetterCMS into dev-1.7.0-api-upgrade

Conflicts:
	Modules/BetterCms.Module.Api.Abstractions/BetterCMS.Module.Api.Abstractions.csproj
#1032 API: created PUT method for server control widgets