Pyrone

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* issue 33: wrong headers passed to WSGI server

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* minor CSS update: article preview in edit mode rendered incorrectly

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* default style slightly changed
* translation fixes
* issue 28: Comments counter not decreased after removing a comment
* issue 32: Not approved comments are still visible to everyone
* issue 29: Display error 404 not 503 while accessing non existing blog page
* issue 30: Substitution variables in notification email are not replaced with actual values

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* issue 24: draft article are still accessible for all users
* issue 26: footnotes markup break article preview
* issue 20: cookie expiration date is not set
* issue 25: saving page is being edited without redirectint to another page
* issue 27: some i18n issues
* issue 11: favicons support added

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* translations updated
* ussue 19: time conversion problems between timezones
* issue 21: devision by zero exception in case of equal tags counts

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* translations updated
* issue 18: setup.py fixed