Added travis icon to README
Added travis icon to README

kyawkyaw/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,boke/AndroidFFmpeg,lulufei/AndroidFFmpeg,lulufei/AndroidFFmpeg,lulufei/AndroidFFmpeg,q273255702/AndroidFFmpeg,shakin/AndroidFFmpeg,guoyuqing/ffmpeg,mobdim/AndroidFFmpeg,q273255702/AndroidFFmpeg,shakin/AndroidFFmpeg,sitexa/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP,mrduongnv/AndroidFFmpeg,mobdim/AndroidFFmpeg,kyawkyaw/AndroidFFmpeg,mobdim/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,QDPeng/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,sitexa/AndroidFFmpeg,boke/AndroidFFmpeg,lulufei/AndroidFFmpeg,q273255702/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP,guoyuqing/ffmpeg,sitexa/AndroidFFmpeg,QDPeng/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP,kyawkyaw/AndroidFFmpeg,appunite/AndroidFFmpeg,QDPeng/AndroidFFmpeg,QDPeng/AndroidFFmpeg,shakin/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,appunite/AndroidFFmpeg,shakin/AndroidFFmpeg,boke/AndroidFFmpeg,sitexa/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,guoyuqing/ffmpeg,appunite/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,boke/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP,guoyuqing/ffmpeg,q273255702/AndroidFFmpeg,kyawkyaw/AndroidFFmpeg,mobdim/AndroidFFmpeg,appunite/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg