Add externs for angular-gettext
Add externs for angular-gettext

gberaudo/ngeo,mygu/ngeo,balpreetspankaj/ngeo,kalbermattenm/ngeo,adube/ngeo,Jenselme/ngeo,tsauerwein/ngeo,ger-benjamin/ngeo,adube/ngeo,camptocamp/ngeo,mygu/ngeo,balpreetspankaj/ngeo,Jenselme/ngeo,elemoine/ngeo,elemoine/ngeo,camptocamp/ngeo,pgiraud/ngeo,balpreetspankaj/ngeo,adube/ngeo,gberaudo/ngeo,kalbermattenm/ngeo,ger-benjamin/ngeo,tsauerwein/ngeo,ger-benjamin/ngeo,Jenselme/ngeo,pgiraud/ngeo,mygu/ngeo,Jenselme/ngeo,pgiraud/ngeo,elemoine/ngeo,adube/ngeo,camptocamp/ngeo,camptocamp/ngeo,kalbermattenm/ngeo,gberaudo/ngeo,camptocamp/ngeo