Merge branch 'small_fixes'
ticket:8 added test for admin link
Merge branch 't8_edit_link'
ticket:9 duplicate output to STDERR
ticket:9 added test for management command
Merge branch 't9_command'
ticket:10 added test
Merge branch 't10_model_logs'
ticket:13 added select to change the priority
Merge branch 't15_field_priority'
ticket:13 added two buttons - increase and decrease + test
Merge branch 't15_field_priority'
small_fixes: fixed http request sorting