PVZ ND 1.2.8 | Some balance changes and bug fixes

Changes

• Cattail's price nerfed to 275
• Unbanned Healer-shroom from Vs mode
• Adding a third Zomgrave in versus mode (night)
• Pole vaulter zombie's price nerfed to 125
• Min SDK has been changed to 21 (Android 5.0)

Bug fixes

• Skeletarius' red attack was poorly placed
• Squash could get drown before killing the zombie
• The level text in boss battles was only in spanish
• Now you can't buy Pickled Pepper costume before unlocking Jalapeno
• Protester zombie had a wrong idle sprite on plants selection