CLDC-731 bypass tasklist from check answers (#252)
* add button for moving to next incomplete section
* Add extra logic for cycling sections
* fix all failures
* add test for in progress case log to declaration redirection
* fix bug with infinite recursion
* update button text to save and return to log
* use govuk_link helpers
* lint fixes
* some basic extract method refactors
* refactor tests
* lint fixes
* redirect to check answers if next subsection in progress
* fix failing spec
<%= govuk_button_link_to 'Save and go to next incomplete section', "/logs/#{@case_log.id}/#{@case_log.form.next_incomplete_section_redirect_path(subsection, @case_log)}", secondary: true %>
<%= govuk_button_link_to 'Save and go to submit', "/logs/#{@case_log.id}/#{@case_log.form.next_incomplete_section_redirect_path(subsection, @case_log)}", secondary: true %>