ticket:4 adding test for new context processor
ticket:4 add implementation of context processor
Merge branch 't1_contact'
Merge branch 't3_requests'
Merge branch 't4_context_processor'
ticket:5 adding contacts forms, urls, test for edit, templates
ticket:5 implementation & clenaup
Merge branch 't5_edit_contact'
ticket:6 adding tests, preparing ajax forms, widgets
ticket:6 adding related js + css
ticket:8 adding test for new tag and app
ticket:8 adding implementation
Merge branch 't8_tag'
ticket:9 added tests + implementation
ticket:9 added script
Merge branch 't9_command'
ticket:10 add deltas app + tests
Merge branch 't10_signals_processor'
ticket:13 add order by priority
ticket:13 fix coverage and flake8 errors