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Fabric tasks file with common packaging/installation tasks for synnefo
components included in repository.

- new package snf-webproject
- moved basic django related settings in snf-webproject
- added new entry point utils to ease the extension mechanism of
  snf-webproject (urlpatterns, middleware, static_files, installed_apps)
- setup.py changes to keep up with the new entry points

refactored version indentification hooks to use version based on
distribution name, since get_component_version does not seem to work
under certain circumstances

- synnefo settings and app entry points
- fixed template location
- changed package name
- versioning using vcs_version

Debian packaging files, for all packages inside synnefo, will
reside in a different branch (debian-*) and not the master branch

split out of some commonly used code in a seperate package

- added extend_path in synnefo package
- moved version helpers in their own module `synnefo.version`

Conflicts:
	snf-app/docs/src/upgrade.rst

Make minor fixes to settings for consistency.
Rename BYPASS_AUTHENTICATION_TOKEN to BYPASS_AUTHENTICATION_SECRET_TOKEN
to prevent Django from including it in backtraces.

The documentation needs to be refactored into distinct guides.

The backend is case insensitive and snf-image
uses all upper case keys.

fixes IE7 issue which failed to properly set empty personality array in
vm create request data.

After discussion with kpap it seems that this
method should return user's images that are shared
to member.

Conflicts:
	snf-app/docs/src/upgrade.rst

Refs #1746

Refs #1746

- avoid recursion when vm action fails

Skip initialization if glance namespace is not defined

Thanks to kpap for catching it.