Committing some base code for rating slider and making a new branch. Fixes tab loading because php calls weren't loading javascript.
Working on animated slider with color effects when the user moves the slider.

 Not done, just pushing so I can work from my desktop.
Merge remote-tracking branch 'origin/master'

Conflicts:
	web/css/home.css
	web/css/rating_tab.css
	web/css/slider/jquery.nouislider.css
	web/css/tab_menu.css
	web/javascript/tab_menu.js
	web/php/home.php
	web/php/tabs/rating_main.php
Adding question page between login and home.

Fixed text color on slider events for metric buttons, but still is black when page first loads.