Merge pull request gridstack#1528 from adumesny/develop

v3.1.2

Merge pull request gridstack#1525 from adumesny/develop

web component fixes

Merge pull request gridstack#1517 from adumesny/develop

force typescript 3.6 as 3.7 has breaking change

Merge pull request gridstack#1494 from adumesny/develop

doc for v3 release

Merge pull request gridstack#1443 from adumesny/develop

setting margin option support CSS '5px 10px 0 20px' format

Merge pull request gridstack#1426 from adumesny/develop

HTML5 removal into it's own h5 branch

Merge pull request gridstack#1402 from adumesny/v2

v2.0.2

Merge pull request gridstack#1383 from adumesny/develop

fix two drop shadows

Merge pull request gridstack#1351 from adumesny/typescript

doc update

Merge pull request gridstack#1348 from adumesny/typescript

TS: 2.0.0-rc3 release