autohelp.py: Fix sanitizing of modules paths values

If the git repository path is the name of the module being worked on, some
default values are wrongly modified when the tools tries to generate a saner
value.

Change-Id: I1679f8542e6481bb55b86d708b8a132da4f0b34e
Sanitize file paths

Some absolute paths are computed at runtime and give result that are not
suitable for publishing. This patch sanitize such paths.

Change-Id: I0b4569de50ce6d75f87f2976654d7534bb91df2a
Update README for 0.9 release

Change-Id: Ifa79301706507e2018a6e0fe39b0bfed32dbb9bb
Merge "autohelp.py: Fix sanitizing of modules paths values"
Merge "Sanitize file paths"
Merge "Update README for 0.9 release"