[what] Change Apps menu width
       Add tooltip on apps menu button
[how] Modify frontend/express/public/stylesheets/main.css and editor dropdown_bg.png, dropdown_head.png
      MOdify frontend/express/public/javascripts/countly/countly.template.js
Merge branch 'snow_cl' of https://github.com/qwweee/countly-server into snow_cl