Merge pull request gridstack#1136 from adumesny/develop

rev 0.6.3

1 column edit propagation fixes (gridstack#1127)

* more fix gridstack#37 and part2 of gridstack#1120
* editing in 1 column (or few columns) does a better job updating higher layout
* track before and after and move items accordingly. Tracking item swap would be even better still
* column.html demo has been updated to support item delete.
* karma test updated

Merge pull request gridstack#1121 from adumesny/develop

fix reponsive.html demo

Merge pull request gridstack#1110 from adumesny/develop

v0.6.0 release

Merge pull request gridstack#1079 from adumesny/develop

removed jquery-ui/* requirements from AMD packing

Merge pull request gridstack#1071 from adumesny/develop

v0.5.4 release

Merge pull request gridstack#1060 from adumesny/develop

0.5.3 release

Merge pull request gridstack#1039 from adumesny/develop

v0.5.2 release

Merge pull request gridstack#1029 from adumesny/develop

reduced npm package

Merge pull request gridstack#1026 from adumesny/develop

removed 1.0 release doc info