Added a new module that can dump all line tables for all compile units in any modules that are specified as arguments to the "dump_module_line_tables" command. 

I used this to verify that the debug map line tables were the same as previous LLDB releases prior to my change in the DWARF in .o file linking.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176610 91177308-0d34-0410-b5e6-96231b3b80d8
Stop the "module" property from throwing an exception when the module name was not found in the target module list.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176611 91177308-0d34-0410-b5e6-96231b3b80d8