albinkong

Currently all percentages are floored before being converted into pixels. 12.5% of 1000px is currently 120px. After this change 12.5% of 1000px is 125px. 12.5% of 100px remains 12px. I...

This change updates [jimp](https://github.com/jimp-dev/jimp) to version [1.6.0](https://github.com/jimp-dev/jimp/releases/tag/v1.6.0) from version [0.3.11](https://github.com/jimp-dev/jimp/releases/tag/v0.3.11). `npm run test` passes. I was motivated to make the change as it removes all the deprecation message during installation.