Mavericks gdb fix (picks lldb)

Mavericks no longer includes gdb with the Xcode tools. Running “nuke
gdb” will now choose the correct debugger, either gdb or lldb.
Updated nutmbundle to detect whether TextMate version 1 or 2

TextMate 2 installs bundles differently. The nutmbundle now checks
which version of TextMate is installed and runs the appropriate
installation commands.
Merge pull request #72 from tjklemz/master

Mavericks gdb fix (picks lldb); netmbundle updated.