Add a log line when debugserver exits, and clean up some of the other standard logs output to make it more useful.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176039 91177308-0d34-0410-b5e6-96231b3b80d8
<rdar://problem/13286937> 

Make sure to not look in self.images when we have a symbolicator with a live process.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176040 91177308-0d34-0410-b5e6-96231b3b80d8
Optimization of the code-running NSDictionary formatter to skip runtime symbol fetching


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176041 91177308-0d34-0410-b5e6-96231b3b80d8