Restore image fetch.

This reverts the following commits:

e16bf4460572170fd1e93a9d2c1bf1ea3891815c
894e0bf19bed5bf0f8ca949634305ef39580aac5
83e4f7e01fcb35080e930261ed773d63cf8e6902
7f3b8153e471bcfb3279ad37ea6f75e004d4d8bf
434c8281816c20c29283f5be27b446109ebd00bc
baf02d9b0954d00fd413e4e3ab424055142d435a
Grab Cloudfront-hosted assets also.
Merge remote-tracking branch 'origin/master'
Merge branch 'with-image-fetch'
Bump pipeline version.