chore(package): update angular to version 1.5.1
chore(package): update angular to version 1.5.1

http://greenkeeper.io/
adube/ngeo,Jenselme/ngeo,ger-benjamin/ngeo,adube/ngeo,ger-benjamin/ngeo,Jenselme/ngeo,camptocamp/ngeo,pgiraud/ngeo,camptocamp/ngeo,Jenselme/ngeo,kalbermattenm/ngeo,pgiraud/ngeo,ger-benjamin/ngeo,camptocamp/ngeo,Jenselme/ngeo,kalbermattenm/ngeo,pgiraud/ngeo,adube/ngeo,kalbermattenm/ngeo,adube/ngeo,camptocamp/ngeo,camptocamp/ngeo