Merge pull request gridstack#1351 from adumesny/typescript

doc update

Merge pull request gridstack#1348 from adumesny/typescript

TS: 2.0.0-rc3 release

Merge pull request gridstack#1347 from adumesny/develop

rev 1.2.1 release

Merge pull request gridstack#1335 from adumesny/typescript

TS: more fixed for load()

Merge pull request gridstack#1324 from adumesny/typescript

TS v2.0 release candidate

Merge pull request gridstack#1318 from adumesny/develop

v1.2.0

Merge pull request gridstack#1278 from adumesny/develop

fix 'addWidget' ignores data attributes gridstack#1276

Merge pull request gridstack#1220 from adumesny/develop

fix typo

Merge pull request gridstack#1178 from adumesny/develop

`minRow` tweaks

Merge pull request gridstack#1156 from balajimanoharan/patch-1

README Update : Update name on ember project