Creation of new Startup Activity

This commit adds a new Startup Activity however full functionality is
still to be done. New files added to drawable folders.
New Startup Activity functionality and new layout

Added functionality to the new startup activity. Buttons now work. New
layout design to preferences and home activity
New Layouts

Ney layouts for Indicator, Country, Collection and Saved Data Activities
as well as Chart, Articles and Reports.
Merge pull request #49 from jjnorth10/master

New Layouts