Changes to detail view:
o Fixed layout issues in detail view by backing the TableView with a UITableViewController. Now works when rotating to landscape on iPhone.
o Removed black background in detail view header.
o Use system font for detail view header. Increase size a little bit.
o Add the title of the detail view as a header to the table view instead of using a fixed view.
o Support automatic adjustment of scroll view insets and scrolling behind transparent navigation bar in detail view.
o A little bit more padding between cells.

Main session list view:
o No bold text in main session list view.
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