fixes #5132 hang when provisioning on ovirt 3.4

(cherry picked from commit 578e6f54462e785d6ae25cceb6fbdd6c21696cb8)
fixes #5450 - add realm to params for 1.4-compatible use in templates

(cherry picked from commit 77d9d699b32e735e4b70195e978de108a992d3f5)
templates - sync from community-templates

(cherry picked from commit 013ee65ac3a0632c3f8227fefab71c1c8e37edee)
i18n - extracting new, updating rails, pulling from tx
Release 1.5.0-RC2