This patch fixes the issue where our command-line tab completer would sometimes replicate commands
e.g.

(lldb) pl<TAB>
Available completions:
	platform
	plugin
	platform
	plugin

Thanks to Matthew Sorrels for doing work and testing on this issue

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184212 91177308-0d34-0410-b5e6-96231b3b80d8
<rdar://problem/12717717>

Modifying our data formatters matching algorithm to ensure that "const X*" is treated as equivalent to "X*"
Also, a couple improvements to the "lldb types" logging



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184215 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a missing pointer deref that was uncovered by one of the buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184216 91177308-0d34-0410-b5e6-96231b3b80d8