fix for unitest

Merge remote-tracking branch 'origin/master'

Merge pull request #617 from cboard-org/fix-copy-recursive

Copy boards recursively when get a public board

Merge pull request #612 from cboard-org/update-langs

updated translation

restore the original look for the grid

Improve display on tablet devices

fix for communicator builder

Merge pull request #586 from cboard-org/fix-obf-import

Fix obf /obz import/export

update yarn

Merge pull request #572 from cboard-org/fix-ga

HOTFIX - Fix for google analytics api update #571