Fixes order lines not being shown after reselect once their lifetime has expired.

Merge branch 'bleed' of https://github.com/OpenRA/OpenRA into bleed

Replaced spaces with tabs.

Merge branch 'bleed' of https://github.com/OpenRA/OpenRA into bleed

Added INotifySelected.

Corrected indentation.
Update CHANGELOG.

Added actor self to Selected.
Removed braces.
Merge branch 'bleed' of https://github.com/pizzaoverhead/OpenRA into bleed

Conflicts:
	OpenRA.Game/Selection.cs
	OpenRA.Game/Traits/TraitsInterfaces.cs