partway through implementation
enable pages to auto-advance and use timeout default. also implemented otree.timeout, but not able to test yet because we need a separate worker to run this code
timeout
Merge branch 'master' into timeout
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Merge branch 'master' into timeout
implemented auto-advance using celery, but not working
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merged
removed error
ifxed syntax error
made timeout_defaults a class attribute
updated tests to reflect use of timeout_defaults
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Merge remote-tracking branch 'origin/master' into timeout

Conflicts:
	otree/common.py
	otree/db/models.py
	otree/project_template/project_name/session.py
	setup.py
Making celery finally work with otree, only using the django DB connection.
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bump
check missing variables passed to template