Binary icons for both systems: Win32 and Unix

diff --git a/src/SUIT/resources/cascade.png b/src/SUIT/resources/cascade.png
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diff --git a/src/SUIT/resources/htile.png b/src/SUIT/resources/htile.png
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diff --git a/src/SUIT/resources/vtile.png b/src/SUIT/resources/vtile.png
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index fcf30a0..0000000
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