* Set default button on all dialogs that do not already have a defined
default button. The only exception is the EESchema net list dialog
which needs converted over to wxFormBuilder and due to it's design makes
setting the default button in any tab other than the default tab
problematic.
* Fix escape key dialog handling bug in EESchema print post script
dialog.
* Remove clearance and net class name read only text boxes from PCBNew
auxiliary tool bar.
* Display full net class information in message panel when an object that
supports net classes is selected.
* Move coordinate string conversion function to EDA_DRAW_FRAME object and
made it more versatile.
* Refresh message panel text when units change.
* Move locate function code into schematic screen object.
* Move test for junction needed into schematic screen object.
* Move test for marking connected items into schematic screen object.
* Move delete item function code into schematic screen object.
* Move delete all markers code into schematic screen object.
* Add method for locating multiple items in schematic screen object.
* Fix minor bug in schematic field object hit test declaration.
* Initial encapsulation work on item picker object.
* Remove duplicate doxygen comments from item picker object source file.
* Factor change schematic component orientation code out of switch statement
into separate function.
* Remove redundant command events from schematic editor hot key handler.
* Change EDA_ITEM set flag function to set flag bits using logical or
instead of assignment.
* Add clear flag function to EDA_ITEM to clear flag bit using inverted
logical and.
* Factor change schematic text type code out of switch statement into
a single function call.
* Schematic text orientation function renaming improvements.
* Lots of small coding policy changes to updated files.
* Fix grid select box update bug on context menu.
* Fix via size and track width select box update bugs.
* Fix layer pair indicator button update bug.
* Fix auto track width tool bar control enable bug.
* Fix via size and track width select status bug in context menu.
* Fix layer select box and layer control widget select bug when current
layer is removed.
* Add virtual function to notify objects derived from EDA_DRAW_FRAME that
the units setting has changed.
* Coding policy class naming fixes.
* Merge three separate rotate code paths into a single rotate item function.
* Reduce three separate rotate command IDs into a single rotate command ID.
* Move pin rotate code into pin object.
* fix incorrect bounding box size calculation of schematic components.
* fix incorrect bounding box position and size used when schematic components are not found in lib (dummy lib componen used).
Pcbnew:
* Fix issues in block selection for arcs in modedit. Minor code cleaning.
CopyToClipboard: fix incorrect call to PrintPage (bad parameters)