* No initial copied object changed (this was a serious bug to modify these objects. Previous version modified references and other texts using a very stupid algorithm).
It also fixes bug 1549231
* only new pads are numbered (therefore renumbering is used only in footprint editor)
* remove not working and useless feature in circular array: now only use number for pads (others options using alphabetical letters are removed: did not work corectly, and were useless)
* a more clear option is used to choose if the pads are numbered from a choosen value, or from the first avaible value
* Adding a warning messsage if a parameter is incorrect.
* Clean up formatting and make OK button the default in the array dialog.
* Make the OK button the default in the move exact dialog.
* Change the directory picker control from wxGenericDirCtrl to wxDirPickerCtrl so the native
directory picker dialog is used to select the directory in the select pretty library path dialog.
* Make the OK button the default in the select pretty library path dialog.
Text arrays can now use "%s" as a placeholder to be substituted with the array index.
Also expand menu options for move exact, arrays and duplicate.
Minor fixes for arrays - use proper unit parsing, add numbering start for circular arrays
Add circle radius indicator to array dialogue
jean-pierre charras
Wayne Stambaugh
Nick Østergaard
Maciej Suminski
John Beard