SCIM IMEngine

This is initial release.

SCIM-SKK is original implementation which enable to input Japanese like ddskk on SCIM.

Truly fundamental features of SKK is now implemented.

These are assumed problems for users of other SKK implementation.
+ It takes some time when scim-skk is loaded.
+ It cannot toggle zenkaku/hankaku of simbol characters and period marks.
+ Tab completion is not implemented.
+ Number conversion is not implemented.
+ Illigal alphabet are displayed on learning of okuri-gana word.
+ It may down scim if you setup configuration with `socket'.
+ Not fully tested.