Slogan change

Changed the slogan and the page title
Merge pull request #1 from hassanhassan/master

changed footer
Design Changes

Changed the yellow theme color
Made some CSS changes with the slogan box
Inserted background image
Merge pull request #2 from hassanhassan/master

changed the logo
Updated Portfolio and Team Photos

Plus some extra description in the portfolio
updated the team section

So that the pictures are clickable, and they lead to our bio page.
Updated Hassan and Bernice pictures
Created CSS for Team Bio Section
added choix and press logos