yaffs added a README for yaffs_importer.py in yaffs/direct/python

Signed-off-by: Timothy Manning <tfhmanning@gmail.com>

diff --git a/direct/python/README_yaffs_import_py.txt b/direct/python/README_yaffs_import_py.txt
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+Readme for the yaffs_import.py file
+
+python yaffs_import [scanning_path] [optional flags]
+
+the scanning path needs to be the absolute path to the directory where you
+wish to start scanning from. this function will scan all of the the
+directories above this path and copy the all files in these directories.
+
+example:
+       $  yaffs_importer.py /home/timothy/work/yaffs/
+
+flags:
+       -d [number] 
+               set the debugging message level.
+               that debug level 0 will always be printed unless debug_level is set to -1
+               level 0 error messages
+               level 1 basic tasks are shown(creating, deleating,ect)(this is set as the default)
+               level 2 all process are shown
+               level 3 shows minor tasks such as join_paths, ect
+               level 4 is used for bug hunting and shows each step in detail 
+       -ignore_hidden_directories
+               will not copy ./ directories if used
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