Run eslint --fix

Fixing 1000s of lint issues. Some rules cannot be `--fix`ed but this goes some way to linting the entire codebase.

src/components/views/elements/RoomDirectoryButton.js

@@ -24,7 +24,7 @@ const RoomDirectoryButton = function(props) {
     return (
         <ActionButton action="view_room_directory"
             mouseOverAction={props.callout ? "callout_room_directory" : null}
-            label={ _t("Room directory") }
+            label={_t("Room directory")}
             iconPath="img/icons-directory.svg"
             size={props.size}
             tooltip={props.tooltip}