Added text for building selection.
Added building buttons to the main activity.
Added method setBuildingsOnPath() for adding buildings
Added methof setAbuildingDetails() for location and building details.
Added onClick class to pass in building name.
Add icons to st union living
Add icons to alli rd classrm
Add button cell
Add arg for icon type
remove imagebutton and text
Acdd resources
Add building icons
Add road section
Add buildings