Changed (almost) all responses to make them use the new system instead of raw strings

- Fixed many invalid string keys

src/NadekoBot/data/strings/responses/responses.en-US.json

@@ -31,7 +31,7 @@
   "banmsg_default": "No ban message set. Default behavior will be used.",
   "banned_pl": "banned",
   "banned_user": "User Banned",
-  "remove_roles": "have had their roles removed",
+  "remove_roles_pl": "have had their roles removed",
   "bot_name": "Bot's name changed to {0}",
   "bot_status": "Bot status changed to {0}",
   "byedel_off": "Automatic deletion of bye messages has been disabled.",
@@ -107,7 +107,9 @@
   "message_sent": "Message sent.",
   "msg_not_found": "Message not found.",
   "time_too_long": "Time you've specified is too long.",
-  "log_vc_moved": "{0} moved from {1} to {2}",
+  "log_vc_moved": "{0} moved from {1} to {2} voice channel",
+  "log_vc_joined": "{0} joined {1} voice channel",
+  "log_vc_left": "{0} left {1} voice channel",
   "msg_del": "Message deleted in #{0}",
   "msg_update": "Message updated in #{0}",
   "muted_pl": "Muted",
@@ -1065,6 +1067,7 @@
   "module_description_permissions": "Setup perms for commands, filter words and set up command cooldowns",
   "module_description_searches": "Search for jokes, images of animals, anime and manga",
   "module_description_xp": "Gain xp based on chat activity, check users' xp cards",
+  "module_description_missing": "Description is missing for this module.",
   "obsolete_use": "⚠ Obsolete, use {0} instead.",
   "purge_user_confirm": "Are you sure that you want to purge {0} from the database?",
   "expr_import_no_input": "Invalid input. No valid file upload or input text found.",