chore(package): update angular to version 1.5.7
chore(package): update angular to version 1.5.7

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