#65 can't read from folders with japanese characters

[Marisa DeMeglio]

We think that if there's a folder which has Japanese
characters for the name, html file doesn't display at
AMIS test build v 2.4.
("desktop" at Japanese Windows is in Japanese characters.)

[Marisa DeMeglio]

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The reason for this is that the std::transform operation that transforms the URL string to lower case mangles the japanese characters so that the path is incorrect. The code is in line 192 of textrenderbrain.cpp