Added two listviews. One for donation categgory and the other for dispalying the recent requirements by the ngo
inflates category_checkbox.xml
added all adapters inside adapter package
Added functions like expand and collapse for listview
Added Donate Activity
Removed expand and collpase functions and moved it to ListViewUtilities class
Added a new menu 'donate' at the action bar
Added both string arrays for category of Ngos and category of donations inside this file
Removed string array category_filter_names and moved to strings.xml
Added donate menu