added ui to main screen

deleted unecessary files
Merge branch 'organized' of https://github.com/joeyjiron06/CarbonFlights into organized

Conflicts:

CarbonFlights/src/main/java/edu/davis/carbonflights/activity/MainActivit
y.java

CarbonFlights/src/main/java/edu/davis/carbonflights/activity/ResultsActi
vity.java
	CarbonFlights/src/main/res/layout/activity_main.xml