Objective-C. Diagnose use of properties in functions nested in, 
now deprecated, ObjC containers instead of crashing. 
// rdar://16859666


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@209758 91177308-0d34-0410-b5e6-96231b3b80d8
Move misplaced Documentation note in Attr.td

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@209761 91177308-0d34-0410-b5e6-96231b3b80d8