Don't set Last-Modified based on the file date
Don't set Last-Modified based on the file date

If we serve files with a Last-Modified based on the file date, this
interferes with content-based cache validation using ETag because
clients are required to take both into account.

jdivy/meteor,Urigo/meteor,4commerce-technologies-AG/meteor,Hansoft/meteor,Hansoft/meteor,AnthonyAstige/meteor,mjmasn/meteor,DAB0mB/meteor,chasertech/meteor,AnthonyAstige/meteor,chasertech/meteor,meonkeys/meteor,lassombra/meteor,Urigo/meteor,Hansoft/meteor,4commerce-technologies-AG/meteor,mjmasn/meteor,lorensr/meteor,nuvipannu/meteor,nuvipannu/meteor,Urigo/meteor,Hansoft/meteor,meonkeys/meteor,DAB0mB/meteor,Hansoft/meteor,4commerce-technologies-AG/meteor,lorensr/meteor,mjmasn/meteor,Urigo/meteor,nuvipannu/meteor,lassombra/meteor,meonkeys/meteor,mjmasn/meteor,lorensr/meteor,jdivy/meteor,AnthonyAstige/meteor,jdivy/meteor,DAB0mB/meteor,AnthonyAstige/meteor,mjmasn/meteor,DAB0mB/meteor,lassombra/meteor,Urigo/meteor,nuvipannu/meteor,meonkeys/meteor,AnthonyAstige/meteor,jdivy/meteor,lassombra/meteor,lassombra/meteor,nuvipannu/meteor,jdivy/meteor,lorensr/meteor,chasertech/meteor,lorensr/meteor,Hansoft/meteor,chasertech/meteor,jdivy/meteor,mjmasn/meteor,4commerce-technologies-AG/meteor,lorensr/meteor,DAB0mB/meteor,chasertech/meteor,jdivy/meteor,DAB0mB/meteor,4commerce-technologies-AG/meteor,chasertech/meteor,Urigo/meteor,Urigo/meteor,DAB0mB/meteor,meonkeys/meteor,4commerce-technologies-AG/meteor,nuvipannu/meteor,AnthonyAstige/meteor,nuvipannu/meteor,4commerce-technologies-AG/meteor,Hansoft/meteor,AnthonyAstige/meteor,lassombra/meteor,AnthonyAstige/meteor,lorensr/meteor,chasertech/meteor,mjmasn/meteor,meonkeys/meteor,meonkeys/meteor,lassombra/meteor