Nensskel

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- Bugfix: there was still a ``buildout-versions`` in the lizardsite template.

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- Upgraded nensskel's own setup to buildout 2.0.

- Updated nose/coverage test setup in the generated projects *and* in ourselves.

- Added pydev support also to lib/djangoapp buildouts instead of only to the
site buildout.

- Updated lizardsite demo fixture to the latest lizard-wms.

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- Added buildout 2.0!

- Added a django-session-cleanup-cronjob part for production and staging,
which cleans old sessions in the database.

- Added nose coverage report setup. And included mock by default.

- Added ``__future__`` imports everywhere for print statements and unicode.
Everywhere except django settings, btw, as that weirdly breaks the
testrunner!

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- The library buildout.cfg now also extends the latest KGS; this
prevents problems with mismatched buildout versions.

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- Fixed license header (small tweak only: it pointed to LICENSE.txt
instead of the .rst one).

- Added max log size of 10MB to the logrotate script in the lizard
site template.

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- Added lizard-wms (and lizard-maptree) to the lizardsite template. Almost
every site needs them and it makes the empty site more suited for demo
purposes and experimenting.