a fix in content_view_environemnt: the order of callbacks is important
a smal refactoring to generate more complete environment+dependencies tree
Merge pull request #1631 from witlessbird/content_view_orchestration

a fix in content_view_environemnt: the order of callbacks is important
Merge pull request #1632 from witlessbird/environment_factory

a smal refactoring to generate more complete environment+dependencies tree