init: WARN user if init failed.
python: switch to python-mode

Support complete now.
Need load pymacs
python: enable complete only on Linux

Don't know how to install pymacs on Windows so far
python-mode: fixup error when execute via `C-c C-c`
e03py-mode: load auto-complete in hook

So we don't load it on Windows
py-mode: use pycomplete for completion
c-mode: add inline-close, inline-open brace list

For c++.