support .html.zip problem statements in sinolpack

Change-Id: I09f0dab8e5f33c66a6bdb9c42196bc64fdaae9a9
do not catch ImportError in get_object_by_dotted_name

It makes debugging way harder.

Change-Id: Iec892d45ec98843c7cc196853ef208dc87a6abd5
introduce PROBLEM_SOURCES concept

Change-Id: Ibe1c32a17b139e39b1af1da4743e5230c371c6fc
fix several issues in sinolpack

Change-Id: I3286e91e8ff3854cc525bb190e7685eb25cf4c6d
sharingcli

Change-Id: Ie3e13335d42c0f14d3d0426dd107840dd92ae2eb
fix broken refereces in docs

Change-Id: Ic7e0dc29c878bfa6e07ab80baa92f0571e302ffb
rename participants to pupils in teachers

Change-Id: I17fd66694949861eb0604f5bf2495bfc19cdf6ba
remove conditionally defined ScoreFieldTestModel

It doesn't work with migrations.

Change-Id: If25b575204861af02baddcc18bf6bc5caf2196bd
automatically use urlpatterns from oioioi.* modules

Change-Id: I9efc6dd938af87d88c623df65009a7ffead1bdcb
fix 0002_auto__add_field_problem_contest.py migration

Change-Id: I0fba501d18149b304882408ad6ef2635edc8dc67
fix tests after PROBLEM_SOURCES change

Change-Id: If75964e44da6be3aca894b386c809548872c3e7d
remove oioioi/.gitignore

Change-Id: Ie05451c5b1658bd115c237586d49c8824b229c8d
rename oioioi.messages -> oioioi.questions

The name conflicts with django.contrib.messages. There must not
be more than one Django app with the same label (last component
of the Python module name).

Change-Id: Ieeafb73143c5a9c8522baf0573fd4808adaa9f5f
display avatars from gravatar.com in navbar

Change-Id: I380c9d48f9b4f606b320fbe09a09bdf9e8f8a8b9
fix after rename of participants to pupils

Change-Id: If244ef78926a0a731a593290b1394b90c8b8ca73
Merge branch 'szkopul' to 'oioioi'

Conflicts:
	oioioi/base/static/less/admin.less
	oioioi/base/static/less/navbar.less
	oioioi/base/templates/ingredients/navbar.html
	oioioi/base/tests/__init__.py
	oioioi/clock/urls.py
	oioioi/contests/controllers.py
	oioioi/contests/migrations/0001_initial.py
	oioioi/contests/models.py
	oioioi/contests/tests.py
	oioioi/contests/views.py
	oioioi/dashboard/views.py
	oioioi/default_settings.py
	oioioi/deployment/settings.py.template
	oioioi/messages/templates/messages/add.html
	oioioi/messages/templates/messages/list.html
	oioioi/messages/templates/messages/list_table.html
	oioioi/problems/admin.py
	oioioi/problems/urls.py
	oioioi/problems/views.py
	oioioi/questions/admin.py
	oioioi/questions/migrations/0001_initial.py
	oioioi/questions/templates/messages/add.html
	oioioi/questions/templates/messages/list.html
	oioioi/questions/templates/messages/list_table.html
	oioioi/questions/templates/messages/message.html
	oioioi/questions/templates/questions/add.html
	oioioi/questions/templates/questions/list.html
	oioioi/questions/templates/questions/list_table.html
	oioioi/questions/urls.py
	oioioi/questions/views.py
	oioioi/sinolpack/package.py
	oioioi/teachers/migrations/0001_initial.py
	oioioi/teachers/views.py
	oioioi/urls.py
	rst/source/sections/misc.rst

Change-Id: I527319a07fbd44421f5290ecffc9625ed21fb087
Clarify disregarding problem instances with empty round

Change-Id: Ied6bf8ad4770c870671788802e51ccb2688f6c79
Make teachers app use participants module

Change-Id: Id8755e80c127c45413e7b570b6df32867f42ac0e
(no-ticket) Fix CSRF issues in teacher's app.

Change-Id: Ie5cccc91c573161258810a8f9a20f8655b3e0fe0
(no-ticket) Fix showing questions count to users which cannot enter contest

Change-Id: Ib63a981d47c5d23fc98d96eddd7455a9a25f4eda