<rdar://problem/4529976>

Adding data formatters for iterators for std::map and std::vector (both libc++ and libstdcpp)
This does not include reverse iterators since they are both trickier (due to requirements the standard imposes on them) and much less useful



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@175787 91177308-0d34-0410-b5e6-96231b3b80d8