Appfy.recipe.gae

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- os.makedirs(), not os.mkdirs(). Ooops.

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- Minor enhancement: use os.mkdirs() instead of os.mkdir() when creating the
backup for app_libs (Tom Lynn).

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- Added multi-line top_level support. Now it can handle eggs with multiple
lines in top_level.txt. Thanks to Benjamin Kampmann for this (Issue 3).

- Added ignore-packages option, useful to ignore setuptools, distribute and
other dependency packages not useful on App Engine.

- Single modules are now also matched by ignore-globs.

- ignore-globs now removes the non-related path prefix for better matching.

- Documented extra-paths, useful to add libraries directories to sys.path in
scripts.

- Several refactorings and cleanups.

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- Don't install package if egg info is not found, instead of breaking. This
was causing a problem when setuptools is declared as dependency.

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- app_lib can now also install develop eggs.

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- Single files are correctly installed.
- Namespaced packages are put in the same directory structure. This was causing
an error when trying to create a directory for the second time.