Update Friday - 2019.06.28

Feature

* auto save souls and bullet items data

* add shadow link between player and umbra

*add shadow appear anime

* add seal porting anime for re-spawn player

Enhancement

* update area theme with new asset

* update shadow bullet image

* update shadow working / disappear anime

* update boss image

* reduce boss bullet hitbox

Bugfix

* fix level naming

* prevent shadow over item image

* prevent enter button and shadow charge ui block player input

* prevent double click enter button

* fix exit button description