fix for 0004668: Detect If host is a Unix or Windows-Box
removed offending comments and cleaned up file creation and deletion
fixed bug copy to match disk file creation in file_api

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@3064 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9