Separate bower fetch and copy-main tasks
Separate bower fetch and copy-main tasks

So copy-main task can be called separately (for packaging)

Change-Id: Icf45922d3f0dd14e9e65bd35212dbdea06f2c20a

nebril/fuel-web,eayunstack/fuel-web,nebril/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,huntxu/fuel-web,stackforge/fuel-web,prmtl/fuel-web,huntxu/fuel-web,stackforge/fuel-web,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,stackforge/fuel-web,nebril/fuel-web,prmtl/fuel-web,huntxu/fuel-web,prmtl/fuel-web,huntxu/fuel-web,nebril/fuel-web,prmtl/fuel-web,huntxu/fuel-web,SmartInfrastructures/fuel-web-dev,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,eayunstack/fuel-web,nebril/fuel-web