added pin button to wysihtml5-toolbar
added basic functionality to pin/unpin button
cleaned up pin/unpin button again after accidentally resetting some work
added basic functionality to save in edit bar
replaced text substring with regular expression in pin toggle
small amount of cleanup
more cleanup on pinning
moved pin/unpin to left side, fixed indents
fixed size and position of save button
fixed side pin/unpin to show/hide exclamation points
fixed side pin/unpin to show/hide exclamation points
fixed merge conflicts and did some minor readability editing
final edits to pin toggle
made all changes except reverting indentation