Rejects invalid fpgm table when too many functions
Use RGB_24BPP form for all images lacking alpha data.
Optimizations for 1bpc images
Merge pull request #4356 from fkaelberer/Optimize_1bpc_images

Optimizations for 1 bpc images
Merge pull request #4366 from yurydelendik/max-fdefs

Rejects invalid fpgm table when too many functions
Merge pull request #4383 from nnethercote/more-rgb24

Use RGB_24BPP form for all images lacking alpha data.
Fixed mozcentral build
Fixes CSS for webkit
Merge pull request #4392 from yurydelendik/fixes-webkit-retina

Fixes CSS for webkit