Update AlamofireObjectMapper.podspec
Update AlamofireObjectMapper.podspec

Added support for watchOS 2
CINEPASS/AlamofireObjectMapper,tristanhimmelman/AlamofireObjectMapper,angu/AlamofireObjectMapper,tristanhimmelman/AlamofireObjectMapper,zhaoguohui/AlamofireObjectMapper,Nuglif/AlamofireObjectMapper,AlexSeverinov/AlamofireObjectMapper,BlackcombSoftware/AlamofireObjectMapper,davidwu226/AlamofireObjectMapper,CINEPASS/AlamofireObjectMapper,angu/AlamofireObjectMapper,davidwu226/AlamofireObjectMapper,MattesGroeger/AlamofireObjectMapper,Nuglif/AlamofireObjectMapper,BlackcombSoftware/AlamofireObjectMapper,MattesGroeger/AlamofireObjectMapper,AlexSeverinov/AlamofireObjectMapper,zhaoguohui/AlamofireObjectMapper