LIVEOAK-367: Improve Applications List + App Creation Wizard

 * Add lo-focused directive for conditional input focus;
 * Move Create App Wizard to Angular UI Modal;
 * Remove 404 on "Next Steps" page while trying to read push config;
 * Fix modals not closing on top-right 'X'.
 * Show 'No Storage' and 'No Push set up' in applications list;