Make the "SearchFilterByModuleListAndCU" work correctly for searches at the CompUnit
level.  Fixes a bug in "break set --source-pattern-regexp" when a shared library is
specified.  

Also cleaned up the help text for --source-pattern-regexp so it is a little clearer.

<rdar://problem/14084261>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183476 91177308-0d34-0410-b5e6-96231b3b80d8
Tweaks to the std::list (libstdc++ test case)



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183480 91177308-0d34-0410-b5e6-96231b3b80d8
Tweaking Daniel Malea's fixes to Makefile.rules to ensure that we correctly pass -stdlib=libstdc++ to clang when compiling as well as when linking
Not doing this was causing link errors as clang was looking for libc++ symbols while linking against libstdc++



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@183482 91177308-0d34-0410-b5e6-96231b3b80d8