Use UCS-2 LE encoding for windows resource file

Resource files on windows should be encoded either in ANSI or in UCS-2 w/ BOM.
Unless you want to see something like the string on screenshot of course.
![qbt props](https://f.cloud.github.com/assets/1910559/743966/99ed5838-e3f2-11e2-9b66-32b73c925768.png)


http://stackoverflow.com/questions/12692803/are-resource-files-compiled-as-unicode-or-ansi-code-page
http://msdn.microsoft.com/en-us/library/cc194805.aspx