Slovene translation changed by Zdravko Balorda (#14360)
fix Latvian "button_log_time" translation by Arnis Juraga (#14346)
Merged r11980 from trunk to 2.3-stable (#9996)
replace "email.yml" to "configuration.yml" in pl.yml.
replace "email.yml" to "configuration.yml" in pl.yml (#9996)
not run Capybara tests on the CI server (#12822)
prevent UI test failure randomly
increase Capybara.default_wait_time from 12 to 20 (#12822)
increase Capybara.default_wait_time from 7 to 12 (#12822)
shorten comment lines at test/ui/base.rb
use database_cleaner (#12822)
