Port of PO validation
This is a port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/18779 to EE
It updates some FE strings to comply with the new validation
Edited by Bob Van Landuyt
This is a port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/18779 to EE
It updates some FE strings to comply with the new validation