Update .podspec file
Update .podspec file

ArthurKK/BTNavigationDropdownMenu,rickerbh/BTNavigationDropdownMenu,wangmb/BTNavigationDropdownMenu,yyn835314557/BTNavigationDropdownMenu,qky1412/BTNavigationDropdownMenu,mohsinalimat/BTNavigationDropdownMenu,naoyashiga/BTNavigationDropdownMenu,gennick/BTNavigationDropdownMenu,gunnarhafdal/GHNavigationDropdownMenu,aklokov-iOS/BTNavigationDropdownMenu,djnivek/BTNavigationDropdownMenu,naoyashiga/BTNavigationDropdownMenu,nhdang103/BTNavigationDropdownMenu,voidException/BTNavigationDropdownMenu,aklokov-iOS/BTNavigationDropdownMenu,rickerbh/BTNavigationDropdownMenu,luzefeng/BTNavigationDropdownMenu,dominicpr/BTNavigationDropdownMenu,wangmb/BTNavigationDropdownMenu,gaurav1981/BTNavigationDropdownMenu,nhdang103/BTNavigationDropdownMenu,yyn835314557/BTNavigationDropdownMenu,voidException/BTNavigationDropdownMenu,Suninus/BTNavigationDropdownMenu,gennick/BTNavigationDropdownMenu,ArthurKK/BTNavigationDropdownMenu,qingpengchen2011/BTNavigationDropdownMenu,PhamBaTho/BTNavigationDropdownMenu,dominicpr/BTNavigationDropdownMenu,tuanphung/BTNavigationDropdownMenu,tuanphung/BTNavigationDropdownMenu,shenyuan000/BTNavigationDropdownMenu,Suninus/BTNavigationDropdownMenu,qingpengchen2011/BTNavigationDropdownMenu,PhamBaTho/BTNavigationDropdownMenu,djnivek/BTNavigationDropdownMenu,shenyuan000/BTNavigationDropdownMenu,gaurav1981/BTNavigationDropdownMenu,luzefeng/BTNavigationDropdownMenu,mohsinalimat/BTNavigationDropdownMenu,qky1412/BTNavigationDropdownMenu,gunnarhafdal/GHNavigationDropdownMenu