Adds carthage installation options.
Adds carthage installation options.

hirohisa/RxSwift,ReactiveX/RxSwift,slangley/RxSwift,sunfei/RxSwift,KyoheiG3/RxSwift,walmartlabs/RxSwift,jtribe/RxSwift,a2/RxSwift,sunfei/RxSwift,hirohisa/RxSwift,hsoi/RxSwift,lintaoSuper/RxSwift,hirohisa/RxSwift,bestwpw/RxSwift,ashfurrow/RxSwift,sunfei/RxSwift,petester42/RxSwift,kousun12/RxSwift,bestwpw/RxSwift,kzaher/RxSwift,a2/RxSwift,shuoli84/RxSwift,solarce/RxSwift,a2/RxSwift,kzaher/RxSwift,esttorhe/RxSwift,ashfurrow/RxSwift,nathankot/RxSwift,KyoheiG3/RxSwift,shiratsu/RxSwift,funsociety/RxSwift,sunfei/RxSwift,hsoi/RxSwift,ReactiveX/RxSwift,lintaoSuper/RxSwift,KyoheiG3/RxSwift,sitexa/RxSwift,walmartlabs/RxSwift,hirohisa/RxSwift,funsociety/RxSwift,yoshinorisano/RxSwift,esttorhe/RxSwift,shiratsu/RxSwift,walmartlabs/RxSwift,petester42/RxSwift,Pluto-tv/RxSwift,lingoer/RxSwift,shuoli84/RxSwift,esttorhe/RxSwift,ashfurrow/RxSwift,cfraz89/RxSwift,shuoli84/RxSwift,ReactiveX/RxSwift,shiratsu/RxSwift,nathankot/RxSwift,cfraz89/RxSwift,lingoer/RxSwift,bestwpw/RxSwift,jtribe/RxSwift,slangley/RxSwift,funsociety/RxSwift,kzaher/RxSwift,hirohisa/RxSwift,jtribe/RxSwift,slangley/RxSwift,thanegill/RxSwift,funsociety/RxSwift,kousun12/RxSwift,sitexa/RxSwift,Pluto-tv/RxSwift,sitexa/RxSwift,esttorhe/RxSwift,jtribe/RxSwift,slangley/RxSwift,lintaoSuper/RxSwift,lingoer/RxSwift,Pluto-tv/RxSwift,thanegill/RxSwift,yoshinorisano/RxSwift,solarce/RxSwift,cfraz89/RxSwift,yoshinorisano/RxSwift,petester42/RxSwift,thanegill/RxSwift,yoshinorisano/RxSwift,tottakai/RxSwift,hsoi/RxSwift,kousun12/RxSwift,sunfei/RxSwift,solarce/RxSwift,nathankot/RxSwift,solarce/RxSwift,tottakai/RxSwift,petester42/RxSwift,bestwpw/RxSwift,kousun12/RxSwift,nathankot/RxSwift,thanegill/RxSwift,kzaher/RxSwift,solarce/RxSwift,walmartlabs/RxSwift,shuoli84/RxSwift,Pluto-tv/RxSwift,lintaoSuper/RxSwift,ashfurrow/RxSwift,a2/RxSwift,hsoi/RxSwift,cfraz89/RxSwift,tottakai/RxSwift,lingoer/RxSwift,sitexa/RxSwift