LuarocksRequirement.py: Change 'Luarocks' -> 'LuarocksRequirement'
Change 'Luarocks' -> 'LuarocksRequirement' in the docstring
Constructs a new ``Luarocks``, using the ``PackageRequirement`` constructor.
Change 'Luarocks' -> 'LuarocksRequirement' in the docstring
Constructs a new ``Luarocks``, using the ``PackageRequirement`` constructor.