Small changes

-Updated protocol in index file - solves mysterious issue where
SharePoint manipulates urls
-Created variable Site_URL at the root scope - centralize domain name at
app.js file (simpler for app move)
-Solved current user ID issue in homeCtrl.js
-Groups Report added group Owner
-Updated home.html to include current user ID
-Removed hard coded links in home.html
-Removed hard coded links in groups.html report
-Removed hard coded links in users.html report