<rdar://problem/13926101>

Allow “command script import” to work with folder names that have a ‘ (tick) in them

Kudos to StackOverflow (question 1494399) for the replace_all code!

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184158 91177308-0d34-0410-b5e6-96231b3b80d8