Sam 86255faa08 FEATURE: do not switch to JPEG unless you meet 75k byte savings
This also adjusts the algorithm to expect

- 30% saving for JPEG conversion

AND

- Minimum of 75K bytes saved

The reasoning for increase of saving requirements is cause PNG may have been
uploaded unoptimized, 30% saving on PNG is very possible
2018-11-21 11:01:08 +11:00
..
2018-08-20 12:46:14 +10:00
2018-07-26 09:16:14 +08:00