Added expandable listview.
Implemented SlideExpandableListView correctly.
Added the SlideExpandableListView to the repo.
Modified project.properties to match the location change for SlideExpandableListView.
Restyled the listview a bit to match the look and feel of the app.
Added OnClickListeners to the listview buttons.
Changed project properties.
Merge branch 'settings-47700167' into develop