[opwig-lua] Adjusted code spacing.
[opwig-lua] Simplified namespace generation criteria:

- All namespaces have a 'generated' inner namespace, even if there is
  nothing to wrap in it.
[opwig-lua] Only nonclass modules are considered children
[opwig-lua] Turned python build off for milestone-03
[opwig-lua] Module metatable preparation takes constructor
[opwig-lua] Dummy constructor generated.
[opwig-lua] Generated wrap list now within coresponding namespace
[opwig-lua] Generates ModuleInfo structure for modules
[opwig-lua] Module preparation function ready for coding
[opwig-lua] Module parenting by OPWIG_Lua_PrepareModule
[opwig/opa-lua] Moved some module exportation code to OPA.
[opwig/opa-lua] Module's function exportation by opa::lua::aux
[opwig-lua] Generated code spacement adjustment.
[opwig-lua] Module init function at corresponding namespace.
[opwig/opa-lua] Module's submodules initialization by opa::lua::aux.
[opwig/opa-lua] All module exportation code in opa::lua::aux
[opwig-lua] Generating namespaces for wrapping classes
[opwig/opa-lua] Starting to export constructors.
[opwig-lua] Dummy constructor.
[opwig/opa-lua] Memory-leaking constructor