Improved UI and removed unused or unnecessary codes.

Implemented the following UI changes:

Added new component 'Button' to promote re-usability and the button aligns with the theme of website.
Redesigned and implemented small UI improvements on main page as well as the predicted colleges component.
Added media queries in the global CSS in order to use "rem" for font sizes such that the font size of entire website can be adjusted dynamically according to the screen size.
Linked the Avanti's logo to "/" directory.
Removed unnecessary functions or jobs
Added "Sorry! No results found for the data provided" message when no results are found for colleges search

More changes incoming...

avantifellows / college-predictor