ticket:5 tests rework
ticket:5 fix testcase
ticket:5 update realization and templates
ticket:5 use div instead table in form
ticket:13 tests refactoring
Merge branch 't13_customer'
ticket:6 update template
ticket:5 simplify views
ticket:5 fix tests
Merge branch 't5_edit' into t6_widget

Conflicts:
	apps/about/tests.py
Merge branch 't6_widget' into t8_tag

Conflicts:
	apps/about/tests.py
	apps/about/views.py
	templates/about/about_list.html
Merge branch 't8_tag' into t9_command
Merge branch 't9_command' into t10_signal

Conflicts:
	apps/about/tests.py
Merge branch 't10_signal' into t13_customer

Conflicts:
	apps/about/tests.py
Merge branch 't13_customer'