Add some linting rules for the CI (#587)

* enable one-var rule

* enable indent rule

* enable no-multiple-empty-lines rule

* enable no-empty rule

* enable no-trailing-spaces rule

* enable no-extra-semi rule

* add eslint rules to fix block spacing

* enable max-statements-per-line rule

* enable brace-style rule

* fix some spacing issues and add future rules

* add code suggestions

src/components/viewContainer.js

@@ -42,7 +42,6 @@ define(["browser", "dom", "layoutManager", "css!components/viewManager/viewConta
             var newViewInfo = normalizeNewView(options, isPluginpage);
             var newView = newViewInfo.elem;
 
-
             if (isPluginpage) {
                 require(["legacyDashboard"]);
             }