Disabled grouping for columns

change name of disableGrouping to grouping

Merge

Merging

bug fix TypeError: Cannot read property isExpanded of undefined

Data manager

Fixes issue with search when parent field is null

Fixes an issue where the field of the object is null (instead of only undefined). This changewil...

Adds the ability to disable dragging/grouping for columns

Update m-table-header.js

Hide selection-box if data is empty

Wrap strings in () to prevent casting errors

Fix icon prop for action

Toolbar title and button alignment

Update to include export of components

Also fixes some smaller stuff with the icons and formating

Thanks @Domino987

A props was added to control the initial page

adds logic around draggable headers based on grouping option

Update index.d.ts

Fixes crash, if no tableData provided

If tableData is undefined, this line caused a crash, because tableData.showDetailPanel was calle...