Use «done» style for done-button in search/filter dialog.
Updated session cells layout.
- Use template rendering mode for favorite star/lighting on iOS 7.
- Use 2 lines for title.
Revert back to UITableViewCellAccessoryDetailDisclosureButton since UITableViewCellAccessoryDetailButton is only available in iOS 7.
Fixed some iOS 7 layout issues.
Removed title override from SettingsViewConroller. This reverts an unwanted change in an earlier commit.