#1052 API: implemented methods for create / update roles
Merge branch 'dev-1.7.0-api-upgrade' of github.com:devbridge/BetterCMS into dev-1.7.0-api-upgrade
#1052 API: roles API modifications
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
	Tests/BetterCms.Api.Tests/SoapUI/BCMS-API-soapui-project.xml