Added .roleinfo commands, added the ability to show colors other than ok error and pending to IEmbedBuilder

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

@@ -142,6 +142,10 @@
   "rar_err": "Failed to remove roles. I have insufficient permissions.",
   "rc": "Color of {0} role has been changed.",
   "rc_perms": "Error occurred due to invalid color or insufficient permissions.",
+  "color": "Color",
+  "icon": "Icon",
+  "hoisted": "Hoisted",
+  "mentionable": "Mentionable",
   "remrole": "Successfully removed role {0} from user {1}",
   "remrole_err": "Failed to remove role. I have insufficient permissions.",
   "renrole": "Role renamed.",