update gameui
Merge branch 'master' of github.com:Wu-Hao/TankMultiplayer
Merge pull request #18 from Ryeeeeee/master

update game ui
fix gameui bug
update gameui
Merge pull request #19 from Ryeeeeee/master

fix gameui bug
Merge branch 'master' of https://github.com/Wu-Hao/TankMultiplayer

Conflicts:
	Classes/GameScene.cpp
	Resources/playbackbar.png
	Resources/playbackinnerbar.png
	Resources/playtriangle.png
	proj.ios_mac/TankMultiplayer.xcodeproj/project.pbxproj