changed unix file modes, so that the files are not executable #18
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For some of the original files (I created a new clone to double check this), the unix file modes were set to 755, which means that they are executable (see #11).
I think, it should be save to merge this (however I am not 100% sure).
Maybe the best is to wait for travis and to test this on another linux machine.
Any others, that work on linux?