Update Russian translation

See merge request hubzilla/core!1771

Sanitize title on Atom/RSS feed import

See merge request hubzilla/core!1770

port fixes from zap to check for arrays

See merge request hubzilla/core!1767

add date and request target headers to make pixelfed happy

See merge request hubzilla/core!1768

Prefer use Etag on photo modification validation

See merge request hubzilla/core!1769

fix duplicate attachment and regression with audio file upload

See merge request hubzilla/core!1766

fix query with protocol prefix not always picking the right xchan

See merge request hubzilla/core!1765

(cherry picked from commit 3604220c2a)

(cherry picked from commit 7cc8c2d127)

(cherry picked from commit 4cfb965881)

(cherry picked from commit 03317b9864)

fix issue #1402

See merge request hubzilla/core!1764

(cherry picked from commit 4a1c220886)

Add hook to comments_are_now_closed()

See merge request hubzilla/core!1763

Change llink type in default SQL schema

See merge request hubzilla/core!1761

homeinstall fix addons

See merge request hubzilla/core!1762

Better photo cache expiry processing

See merge request hubzilla/core!1760

Better cached photos processing

See merge request hubzilla/core!1759

(cherry picked from commit cddf6c4ff5)

(cherry picked from commit 067010fc0a)

add japanese translation

See merge request hubzilla/core!1752

Fix channel address in follow link

See merge request hubzilla/core!1757

Better Opengraph image type detection

See merge request hubzilla/core!1756

Dev

See merge request hubzilla/core!1755