No longer need IE workaround
No longer need IE workaround

Selections were only not saved when Quill was inside an iframe.
Closes #380

voxmedia/quill,kmoe/quill,willrowe/quill,jcppman/quill,fraywing/quill,fraywing/quill,sferoze/quilljs,sferoze/quilljs,voxmedia/quill,gutenye/quill,dahal/quill,Asana/quill-1,hampsterx/quill,willrowe/quill,Benibur/quill,DemocracyOS/quill,milqfm/quill,willrowe/quill,praneybehl/quill,sferoze/quilljs,kmoe/quill,milqfm/quill,DemocracyOS/quill,anovi/quill,mobitroll/kahoot-quill,JoshBarr/quill,sferoze/quilljs,quilljs/quill,quilljs/quill,tim-mc/quill,mobitroll/kahoot-quill,voxmedia/quill,jziggas/quill,quilljs/quill,tim-mc/quill,syungkeaw/quill,Asana/quill-1