travis: install libgit2
travis: install libgit2

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