remove old version discover material
fix bug: sharedpreferences wasn't committed
fix bug: wrong mapping in datahelper. delete old herbal.
不合時宜
let background moving with herbal item
add typeface
deal with recipe's width
deal with cover's width
change to front camera
show progressdialog when facebook login
add home button to back to coveractivity
roate -90
add website
change launcher.png
full screen at cover activity
fix bug : missed a result data. remove herb_dog
disable some backpressed