travis: don't build against go 1.1.2
travis: don't build against go 1.1.2

Looks like go vet dislikes it.

tsuru/tsuru,Endika/tsuru,ggarnier/tsuru,RichardKnop/tsuru,gciotta/tsuru,gciotta/tsuru,4eek/tsuru,firebitsbr/tsuru,firebitsbr/tsuru,gwmoura/tsuru,guilhermebr/tsuru,gwmoura/tsuru,ArxdSilva/tsuru,hcxiong/tsuru,guilhermebr/tsuru,mderaldo/tsuru,gciotta/tsuru,gwmoura/tsuru,firebitsbr/tsuru,hugoantunes/tsuru,ArxdSilva/tsuru,tsuru/tsuru,cgvarela/tsuru,ggarnier/tsuru,cezarsa/tsuru,tsuru/tsuru,mderaldo/tsuru,hcxiong/tsuru,cgvarela/tsuru,tuxmonteiro/tsuru,tuxmonteiro/tsuru,RichardKnop/tsuru,Endika/tsuru,jblancett/tsuru,kgrvamsi/tsuru,guilhermebr/tsuru,hugoantunes/tsuru,hcxiong/tsuru,4eek/tsuru,RichardKnop/tsuru,ArxdSilva/tsuru,jblancett/tsuru,jblancett/tsuru,guilhermebr/tsuru,kgrvamsi/tsuru,Endika/tsuru,4eek/tsuru,cezarsa/tsuru,cezarsa/tsuru,ggarnier/tsuru,cgvarela/tsuru,ggarnier/tsuru,kgrvamsi/tsuru,mderaldo/tsuru,tsuru/tsuru,tuxmonteiro/tsuru,cezarsa/tsuru,ArxdSilva/tsuru