python: import from old packages and update to version 3.4

So, at this point, Python 3.4 works on OpenWRT.
This is just the Python interpreter at it's most basic working level.
No libraries have been added, other than it's needed to get it running.

I did create a full Python build, however the bloat that was added by that is huge, so I had to delay that for now.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>