refactor: prepare packageDetailTab to show a dependency-warning
refactor: prepare packageDetailTab to show a dependency-warning

have a look at the next commit if you're into the dependency-stuff.
this is mostly a refactoring to clean up the render method a tiny bit.

dcos/dcos-ui,dcos/dcos-ui,dcos/dcos-ui,dcos/dcos-ui,dcos/dcos-ui