Change travis_wait to 20min
Change travis_wait to 20min

ewels/NGI-ChIPseq,ewels/NGI-ChIPseq,ewels/NGI-ChIPseq,ewels/NGI-ChIPseq,ewels/NGI-ChIPseq,chuan-wang/NGI-ChIPseq,chuan-wang/NGI-ChIPseq,chuan-wang/NGI-ChIPseq,chuan-wang/NGI-ChIPseq