Title:  Initial filehandler setup
Description: filehandler should handle uploading and getting of files added through CMS system
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Commit: Robert
Title:  Added postFile to filehandler
Description: It is now possible to upload files to the server and get them again.
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Important: get / in filehandler left as test example TOBE removed when implemented in views.
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Commit: Robert & Christopher
Title:  Cleanup in filehandler
Description: cleanup before merge to develop branch
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Commit: Robert