update podspec 3.0.8
update podspec 3.0.8

HarrisLee/MessageDisplayKit,02002love/MessageDisplayKit,imjerrybao/MessageDisplayKit,12207480/MessageDisplayKit,Benight/MessageDisplayKit,w2592583/MessageDisplayKit,lzwjava/MessageDisplayKit,12207480/MessageDisplayKit,ramoslin02/MessageDisplayKit,dujiepeng/MessageDisplayKit,LiuDeng/MessageDisplayKit,yunzhongyoulong/MessageDisplayKit,wangwei1237/MessageDisplayKit,dujiepeng/MessageDisplayKit,02002love/MessageDisplayKit,lzwjava/MessageDisplayKit,keyeMyria/MessageDisplayKit,xhzengAIB/MessageDisplayKit,SampleLiao/MessageDisplayKit,xtcmoons/MessageDisplayKit,keyeMyria/MessageDisplayKit,jtianling/MessageDisplayKit,ramoslin02/MessageDisplayKit,feijilei/MessageDisplayKit,imjerrybao/MessageDisplayKit,HarrisLee/MessageDisplayKit,PutADing/MessageDisplayKit,xswm1123/MessageDisplayKit,LIQC/MessageDisplayKit,cnbin/MessageDisplayKit,godLoveLucifer/MessageDisplayKit,xswm1123/MessageDisplayKit,mxxiv/MessageDisplayKit,PutADing/MessageDisplayKit,gengjf/MessageDisplayKit,lzpfmh/MessageDisplayKit,lzpfmh/MessageDisplayKit,gengjf/MessageDisplayKit,SkyOldLee/MessageDisplayKit,LIQC/MessageDisplayKit,alexliubj/MessageDisplayKit,wangwei1237/MessageDisplayKit,cnbin/MessageDisplayKit,rahul-apple/MessageDisplayKit,onetot/MessageDisplayKit,hanton/MessageDisplayKit,mxxiv/MessageDisplayKit,hiBetterMe/MessageDisplayKit,yunzhongyoulong/MessageDisplayKit,Benight/MessageDisplayKit,alexliubj/MessageDisplayKit,feijilei/MessageDisplayKit,laonayt/MessageDisplayKit,xhzengAIB/MessageDisplayKit,hanton/MessageDisplayKit,jtianling/MessageDisplayKit,godLoveLucifer/MessageDisplayKit,w2592583/MessageDisplayKit,xtcmoons/MessageDisplayKit,LiuDeng/MessageDisplayKit,SampleLiao/MessageDisplayKit,antony-liu/MessageDisplayKit,SkyOldLee/MessageDisplayKit,hiBetterMe/MessageDisplayKit,laonayt/MessageDisplayKit,onetot/MessageDisplayKit,rahul-apple/MessageDisplayKit,antony-liu/MessageDisplayKit