add Description
commit xcode project
#update highlighted top button
#Remove old buttonsbackground view
animation for description view
Merge branch 'Master_2' of https://github.com/ThanhBHKloon/3DAnimation into Master_2
#update case 7
change background
do not handle event for button back while animating
do not handle event for button middle buttons and top buttons while animating
change background bottom bar
Change animation duration time
Zoom button when click
#change size
Change background for description view
#change size of flag image
Merge branch 'Master_2' of https://github.com/ThanhBHKloon/3DAnimation into Master_2
change position for description view
#add
change text color and text size for buttons