docs/installing/hipache: update year in copyright header
docs/installing/hipache: update year in copyright header

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