Moving CFBag and NSBundle summaries from Python to C++

Temporarily disabled non-code-running summaries for CF*Dictionary and NSCountedSet

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@177171 91177308-0d34-0410-b5e6-96231b3b80d8
Porting the Objective-C Class data type’s summary from Python to C++

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@177172 91177308-0d34-0410-b5e6-96231b3b80d8