More portability fixes for Linux. -- make EpocEnginePathHelper et al produce an IPath that matches an existing path in the filesystem even if the case doesn't match. File#getCanonical* does not do this in Unix. -- SISBuilderInfo2 and bld.inf exports fixes for full path detection -- make some tests less dependent on having specific SDKs available. -- fix some warnings

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source.. = src/

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output.. = bin/

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bin.includes = plugin.xml,\

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               META-INF/,\

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               .,\

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               icons/,\

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               html/