Keyboard handlers, aria labels, locales cleanup

Added keyboard handlers for queue items
Fixed and/or added missing aria labels
Overlapping translations cleaned up + new ones added

src/locales/en.json

@@ -30,16 +30,36 @@
     "receive": "Receive",
     "import": "Import",
     "export": "Export",
-    "register_on": "Don't have an account? Register on"
+    "register_on": "Don't have an account? Register on",
+    "play_now": "Play now",
+    "share": "Share",
+    "play_next_track": "Play next track",
+    "change_time": "Change time",
+    "add_track_to_favorites": "Add track to favorites",
+    "save_for_offline_playback": "Save for offline playback",
+    "show_information_about_track": "Show information about track",
+    "more_controls": "More controls",
+    "three-dots": "More controls",
+    "shuffle": "Shuffle"
   },
   "playlist": {
     "local": "Local Playlists",
     "remote": "Remote Playlists",
     "name": "Playlist name",
-    "add": "Add Songs to Playlist",
+    "add": "Add to Playlist",
     "create": "Create a new Playlist",
     "sync": "Sync playlists",
-    "select": "Select Playlist to Add"
+    "select": "Select Playlist to Add",
+    "remove_from": "Remove from playlist",
+    "remove": "Remove playlist",
+    "save": "Save as playlist"
+  },
+  "queue": {
+    "clear": "Clear queue",
+    "shuffle": "Shuffle queue",
+    "add": "Add to queue",
+    "add_to_top": "Add to top of queue",
+    "add_to_bottom": "Add to bottom of queue"
   },
   "artist": {
     "subscribers": "Subscribers",
@@ -80,7 +100,9 @@
     "search": "Start Searching",
     "no_info": "No Information Available",
     "saved": "Saved!",
-    "copied_to_clipboard": "Copied to Clipboard"
+    "copied_to_clipboard": "Copied to Clipboard",
+    "time_elapsed": "Time elapsed",
+    "track_duration": "Track duration"
   },
   "instances": {
     "hyp": "Hyperpipe Instance",
@@ -103,8 +125,7 @@
   },
   "statusBar": {
     "currentPlaylist": "Current Playlist",
-    "loop": "Loop",
-    "add_current_to_playlist": "Add Current Song to a Playlist"
+    "loop": "Loop"
   },
   "general": {
     "username": "username",

src/locales/ja.json

@@ -18,8 +18,7 @@
         "feeds": "フィード",
         "offline": "オフライン",
         "logout": "ログアウト",
-        "restore_prefs": "設定用URLから復元",
-        "now_playing": "再生中"
+        "restore_prefs": "設定用URLから復元"
     },
     "action": {
         "back": "戻る",

src/locales/zh_Hans.json

@@ -27,8 +27,7 @@
         "feeds": "订阅源",
         "offline": "离线",
         "logout": "登出",
-        "restore_prefs": "还原偏好",
-        "now_playing": "正在播放"
+        "restore_prefs": "还原偏好"
     },
     "action": {
         "add": "添加",