editors.sublime.windows: Add support for Windows.

basis/editors/sublime/windows/platforms.txt

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+windows

basis/editors/sublime/windows/windows.factor

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+! Copyright (C) 2013 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: editors.sublime io.directories.search.windows sequences
+system ;
+IN: editors.sublime.windows
+
+M: windows find-sublime-path
+    "Sublime Text 2"
+    [ "sublime_text.exe" tail? ] find-in-program-files ;