File "rules" has instructional text as comments near top.

2) Convert all text files in repo to LF line ending form.
   Any checkout done with "rules" in play will convert the working
   tree to native line ending, while keeping repo as LF line ending.

Fix confusing labels in libedit (for pins and graphic items sharing)

* Use single list for component library draw item and fields to simplify
  component library object.
* Add field manipulation helper methods to component library object.
* Make component library draw item edit dialog sizable.

* Created new component library editor draw item dialog box with
  wxFormBuilder.
* Removed previous DialogBlocks version of the draw item dialog box.
* Removed some additional global variables used in component library
  editor.
* Add IsFillable() method to draw item base object.