Merge pull request #130 from zaojiahua/master

add loadingscene
changed archer attacks, made range shorter
turned off a warning, dragon fireball, cached attacks
Merge pull request #131 from Wu-Hao/master

	turned off a warning, dragon fireball, cached attacks, changed archer attacks, made range shorter
don't move camera as player touches in avatar rectangle
Add dragon fire effects
Merge pull request #132 from RaoZiJian/master

Add dragon fire effects
click avatar of the hero to active special attack (touch position is depended on the screen size now)
Add rat's effects
Merge pull request #133 from calfjohn/master

2 commits
Merge pull request #134 from RaoZiJian/master

Add rat's effects
add time and victory