added background pics
pictures
added listItems for button click
added background for activity
added listview
added dynamic city search on user input characters
added swipe gestures;
added forecast on five days;
added activity for long forecast;
rewrite getting weather for today from json to xml; small refactoring; added new background; added save user's city to internal file
add xml parser for forecast; add downloading forecast in background; add save user city in file; refactoring
add serialization for today weather