Added new splash screen (self activity), poll can only be viewed once
(shared preferences) until uninstalled and reinstalled.
Merge branch 'Elias' of github.com:dcarrot2/SunstreetCenter into Elias

Conflicts:
	AndroidManifest.xml
	res/layout/activity_front_page.xml
	res/values/strings.xml
	src/com/example/sunstreetcenters/FrontPage.java
	src/com/example/sunstreetcenters/Mainscreen.java