Revert "Rename all addons to xxx_unported"

This reverts commit 0a06da626d8cc85f3291d26d4014b00730780802.
[FIX] move all unported addons into __unported__ folder instead of adding _unported suffix
Merge pull request #20 from nbessi/move_to_unported

Move all unported addons into __unported__ folder