Bump travis to use the latest golang - 1.6.3 (#723)
Bump travis to use the latest golang - 1.6.3 (#723)


cqswxj2013/btcd,tb00/btcd,Stash-Crypto/btcd,jrick/btcd,Roasbeef/btcd,jrick/btcd,davecgh/btcd,btcsuite/btcd,BitGo/prova,aakselrod/btcd,jongillham/btcd,ltcsuite/ltcd,wallclockbuilder/btcd,jcmincke/dcrd,jrick/dcrd,cqswxj2013/btcd,stevenroose/btcd,adiabat/btcd,davecgh/btcd,jrick/btcd,jrick/dcrd,jongillham/btcd,stevenroose/btcd,dajohi/btcd,tb00/btcd,dajohi/btcd,Roasbeef/btcd,decred/dcrd,decred/dcrd,jcmincke/dcrd,ppcsuite/ppcd,BitGo/prova,Stash-Crypto/btcd,ltcsuite/ltcd,jcmincke/dcrd,dajohi/btcd,btcsuite/btcd,aakselrod/btcd,wallclockbuilder/btcd,adiabat/btcd,ppcsuite/ppcd