Beginnings of code for multi-select.  This code is not being used yet, checking in now as a work-in-progress.
Beginnings of code for multi-select.  This code is not being used yet, checking in now as a work-in-progress.

ryanramage/svg-editor,trentmillar/ddp-level-editor,trentmillar/ddp-level-editor,ryanramage/svg-editor,trentmillar/ddp-level-editor,ryanramage/svg-editor