Currently we don't support points 1 and 2, but we will consider adding then in our TODO list. Inline labeling could be partially achieved by changing the control templates of the the summary and the milestone containers and placing some negative margins according to the expected text length.
The attached sample project demonstrates how to change the look of tasks, summaries and milestones and how to show inline label for those that don't have one.
Hope this helps.
the Telerik team
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