Direct messages column (#4514)

* Added a timeline for Direct statuses
* Lists all Direct statuses you've sent and received
* Displayed in Getting Started
* Streaming server support for direct TL

* Changes to match other timelines in 2.0

app/javascript/mastodon/locales/gl.json

@@ -40,6 +40,7 @@
   "bundle_modal_error.retry": "Inténteo de novo",
   "column.blocks": "Usuarias bloqueadas",
   "column.community": "Liña temporal local",
+  "column.direct": "Direct messages",
   "column.domain_blocks": "Hidden domains",
   "column.favourites": "Favoritas",
   "column.follow_requests": "Peticións de seguimento",
@@ -100,6 +101,7 @@
   "emoji_button.symbols": "Símbolos",
   "emoji_button.travel": "Viaxes e Lugares",
   "empty_column.community": "A liña temporal local está baldeira. Escriba algo de xeito público para que rule!",
+  "empty_column.direct": "You don't have any direct messages yet. When you send or receive one, it will show up here.",
   "empty_column.hashtag": "Aínda non hai nada con esta etiqueta.",
   "empty_column.home": "A súa liña temporal de inicio está baldeira! Visite {public} ou utilice a busca para atopar outras usuarias.",
   "empty_column.home.public_timeline": "a liña temporal pública",
@@ -154,6 +156,7 @@
   "mute_modal.hide_notifications": "Esconder notificacións deste usuario?",
   "navigation_bar.blocks": "Usuarias bloqueadas",
   "navigation_bar.community_timeline": "Liña temporal local",
+  "navigation_bar.direct": "Direct messages",
   "navigation_bar.domain_blocks": "Hidden domains",
   "navigation_bar.edit_profile": "Editar perfil",
   "navigation_bar.favourites": "Favoritas",
@@ -238,6 +241,7 @@
   "search_results.total": "{count, number} {count,plural,one {result} outros {results}}",
   "standalone.public_title": "Ollada dentro...",
   "status.block": "Block @{name}",
+  "status.cancel_reblog_private": "Unboost",
   "status.cannot_reblog": "Esta mensaxe non pode ser promocionada",
   "status.delete": "Eliminar",
   "status.direct": "Direct message @{name}",
@@ -253,6 +257,7 @@
   "status.pin": "Fixar no perfil",
   "status.pinned": "Pinned toot",
   "status.reblog": "Promover",
+  "status.reblog_private": "Boost to original audience",
   "status.reblogged_by": "{name} promoveu",
   "status.reply": "Resposta",
   "status.replyAll": "Resposta a conversa",