Added nest module - nest child notes of group is working
Nest children directive improved - but draggable directives are added multiple times
Syntax clean up - but directives still being linked multiple times to same element
Refactored nestChildren to have helpers to sync child data and toggle CSS position
Completed helper function called togglePosition of css coordinates
Commit prior to nesting groups within groups
Completed MVP of nest children within a group
Implemented work-around for moving a scoped element to a new location in the DOM
Fixed bug - now nestChildren is inactived when drawing a new group