[Devel] CIDCMap support code (alpha version)

[山内 英敏]

Hello,

I write CIDCMap support code now.
Please do not commit it because it is still alpha quality.

It support the cidrange, cidchar, notdefrange and notdefchar
operaters.  And it does not support the bfrange and bfchar operators
because we must change FT_Charmap architecture before to do it.

APIs

* FT_Attach_File( face, "CMap_File" ) works.
* FT_Get_Char_Index( face, char_code ) works
* FT_Select_Charmap works now under some CMap files but its code is only
a dirty hack.  If you want to set other CMap files, set face->charmap
directry.
* FT_Get_Next_Char is not support.

Any comments are welcomed.

----- Yamano-uchi, Hidetoshi

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