Fixed some test + Merge branch 'master' of https://github.com/gooddata/gooddata-ruby into bypass-merge

Conflicts:
	lib/gooddata/commands/api.rb
	lib/gooddata/core/user.rb
	lib/gooddata/models/domain.rb
	lib/gooddata/models/profile.rb
	lib/gooddata/models/project_role.rb
	lib/gooddata/models/user.rb