centering the demo button
centering the demo button

Conflicts:

	WebViewJavascriptBridge/ExampleAppDelegate.m

SampleLiao/WebViewJavascriptBridge,280482431/WebViewJavascriptBridge,Esdeath/WebViewJavascriptBridge,ywzw2013/WebViewJavascriptBridge,appwgh/WebViewJavascriptBridge,xLegoz/WebViewJavascriptBridge,HqRaining78/WebViewJavascriptBridge,dxd214/WebViewJavascriptBridge,SampleLiao/WebViewJavascriptBridge,wxqGitHub/WebViewJavascriptBridge,lumouren009/GDChannel-WebViewJavascriptBridge,lumouren009/GDChannel-WebViewJavascriptBridge,UIUXEngineering/WebViewJavascriptBridge,lilongcnc/WebViewJavascriptBridge,yanyuqingshi/WebViewJavascriptBridge,alcherk/WebViewJavascriptBridge,ywzw2013/WebViewJavascriptBridge,280482431/WebViewJavascriptBridge,Pingco/WebViewJavascriptBridge,xiaoliyang/WebViewJavascriptBridge,niuxinghua/WebViewJavascriptBridge,ronhippler/WebViewJavascriptBridge,blueghost56/WebViewJavascriptBridge,ztchena/WebViewJavascriptBridge,milesmatthias/WebViewJavascriptBridge,zilaiyedaren/WebViewJavascriptBridge,a3221002/WebViewJavascriptBridge,howeguo/WebViewJavascriptBridge,ztchena/WebViewJavascriptBridge,a3221002/WebViewJavascriptBridge,vvw/WebViewJavascriptBridge,HarrisLee/WebViewJavascriptBridge,yanyuqingshi/WebViewJavascriptBridge,sevenguin/WebViewJavascriptBridge,chensj1901/WebViewJavascriptBridge,pmaccamp/WebViewJavascriptBridge,Sellegit/WebViewJavascriptBridge,ronhippler/WebViewJavascriptBridge,todotodoo/WebViewJavascriptBridge,sunyazhou13/WebViewJavascriptBridge,hwsyy/WebViewJavascriptBridge,ShengQiangLiu/WebViewJavascriptBridge,niuxinghua/WebViewJavascriptBridge,gengjf/WebViewJavascriptBridge,alcherk/WebViewJavascriptBridge,ronhippler/WebViewJavascriptBridge,zhouwude/WebViewJavascriptBridge,kmonde89/WebViewJavascriptBridge,nagyistoce/WebViewJavascriptBridge,youprofit/WebViewJavascriptBridge,marcuswestin/WebViewJavascriptBridge,josephyzhou/WebViewJavascriptBridge,xingfukun/WebViewJavascriptBridge,pmaccamp/WebViewJavascriptBridge,eric-seekas/WebViewJavascriptBridge,milesmatthias/WebViewJavascriptBridge,sunyazhou13/WebViewJavascriptBridge,ronhippler/WebViewJavascriptBridge,UIUXEngineering/WebViewJavascriptBridge,xLegoz/WebViewJavascriptBridge,youprofit/WebViewJavascriptBridge,wjb12/WebViewJavascriptBridge,RichardLeung/WebViewJavascriptBridge,jackgao2016/WebViewJavascriptBridge,zeptolee/WebViewJavascriptBridge,ws1227/WebViewJavascriptBridge,Sellegit/WebViewJavascriptBridge,wujizhidao/WebViewJavascriptBridge,SuPair/WebViewJavascriptBridge,nullxw/WebViewJavascriptBridge,wushenchao/WebViewJavascriptBridge,koenpunt/WebViewJavascriptBridge,howeguo/WebViewJavascriptBridge,eJamesLin/WebViewJavascriptBridge,dachaoisme/WebViewJavascriptBridge,lumouren009/GDChannel-WebViewJavascriptBridge,Bogon/WebViewJavascriptBridge,awaylyr/WebViewJavascriptBridge,RichardLeung/WebViewJavascriptBridge,superbobogithub/WebViewJavascriptBridge,lilongcnc/WebViewJavascriptBridge,superbobogithub/WebViewJavascriptBridge,johnmyqin/WebViewJavascriptBridge,GuoZhiQiang/WebViewJavascriptBridge,kmonde89/WebViewJavascriptBridge,hao-hua/WebViewJavascriptBridge,damoncoo/WebViewJavascriptBridge,hanangellove/WebViewJavascriptBridge,jackgao2016/WebViewJavascriptBridge,zeptolee/WebViewJavascriptBridge,xiaye13579/WebViewJavascriptBridge,nullxw/WebViewJavascriptBridge,HarrisLee/WebViewJavascriptBridge,nagyistoce/WebViewJavascriptBridge,UIUXEngineering-Forks/WebViewJavascriptBridge,xiaye13579/WebViewJavascriptBridge,xiaoliyang/WebViewJavascriptBridge,blueghost56/WebViewJavascriptBridge,thirdiron/WebViewJavascriptBridge,lewis180777/WebViewJavascriptBridge,marcuswestin/WebViewJavascriptBridge,dreipol/WebViewJavascriptBridge,jhjiang/WebViewJavascriptBridge,Esdeath/WebViewJavascriptBridge,sevenguin/WebViewJavascriptBridge,lyndonChen/WebViewJavascriptBridge,z8927623/WebViewJavascriptBridge,zhipcui/WebViewJavascriptBridge,heefan/WebViewJavascriptBridge,ws1227/WebViewJavascriptBridge,hao-hua/WebViewJavascriptBridge,cutmail/WebViewJavascriptBridge,denmanboy/WebViewJavascriptBridge,CoderIvanLee/WebViewJavascriptBridge,zhouwude/WebViewJavascriptBridge,CoderIvanLee/WebViewJavascriptBridge,eJamesLin/WebViewJavascriptBridge,UIUXEngineering/WebViewJavascriptBridge,koenpunt/WebViewJavascriptBridge,xiaobudongzhang/WebViewJavascriptBridge,UIUXEngineering-Forks/WebViewJavascriptBridge,adan016/WebViewJavascriptBridge,johnmyqin/WebViewJavascriptBridge,zilaiyedaren/WebViewJavascriptBridge,HqRaining78/WebViewJavascriptBridge,awaylyr/WebViewJavascriptBridge,dieface/WebViewJavascriptBridge,josephyzhou/WebViewJavascriptBridge,xiaobudongzhang/WebViewJavascriptBridge,jhjiang/WebViewJavascriptBridge,SuPair/WebViewJavascriptBridge,vvw/WebViewJavascriptBridge,dachaoisme/WebViewJavascriptBridge,dxd214/WebViewJavascriptBridge,damoncoo/WebViewJavascriptBridge,heefan/WebViewJavascriptBridge,Bogon/WebViewJavascriptBridge,z8927623/WebViewJavascriptBridge,xuxiaofangwork/WebViewJavascriptBridge,xuxiaofangwork/WebViewJavascriptBridge,wushenchao/WebViewJavascriptBridge,zhipcui/WebViewJavascriptBridge,denmanboy/WebViewJavascriptBridge,happyeverydayzhh/WebViewJavascriptBridge,thirdiron/WebViewJavascriptBridge,lewis180777/WebViewJavascriptBridge,appwgh/WebViewJavascriptBridge,wxqGitHub/WebViewJavascriptBridge,cutmail/WebViewJavascriptBridge,pmaccamp/WebViewJavascriptBridge,marcuswestin/WebViewJavascriptBridge,eric-seekas/WebViewJavascriptBridge,GuoZhiQiang/WebViewJavascriptBridge,xingfukun/WebViewJavascriptBridge,cnbin/WebViewJavascriptBridge,ronhippler/WebViewJavascriptBridge,ShengQiangLiu/WebViewJavascriptBridge,lyndonChen/WebViewJavascriptBridge,gank0326/JSbrige,hanangellove/WebViewJavascriptBridge,gengjf/WebViewJavascriptBridge,cnbin/WebViewJavascriptBridge,chensj1901/WebViewJavascriptBridge,Pingco/WebViewJavascriptBridge,wujizhidao/WebViewJavascriptBridge,marcuswestin/WebViewJavascriptBridge,wjb12/WebViewJavascriptBridge,hwsyy/WebViewJavascriptBridge,UIUXEngineering-Forks/WebViewJavascriptBridge,marcuswestin/WebViewJavascriptBridge,dreipol/WebViewJavascriptBridge,happyeverydayzhh/WebViewJavascriptBridge,dieface/WebViewJavascriptBridge,pmaccamp/WebViewJavascriptBridge,todotodoo/WebViewJavascriptBridge,adan016/WebViewJavascriptBridge