[BUGFIX] Fixes selection of dropzones
Merge pull request #104 from hmspl/dropzone

[BUGFIX] Fixes selection of dropzones
[BUGFIX] Dragged element needs z-index
Merge pull request #105 from hmspl/dropzone

[BUGFIX] Dragged element needs z-index
[BUGFIX] Drag enable highlighting after animation finished

Element width not animated anymore, height of previous drop zone will animate after element is locked in
Merge pull request #106 from hmspl/dropzone

[BUGFIX] Drag enable highlighting after animation finished, element widt...