* Replace Eeschema find code with a collector based implementation.
* Fixed a search bug when all subsequent searches of an item would ignore
the remaining valid child items when an item had more than one child
item that matched the search criteria.
* Add SCH_FIND_COLLECTOR class to find all items that meet the specified
search criteria.
* Add SCH_FIND_COLLECT0R_DATA to keep track of information for all matching
items.
* Use collector to iterate over the list of items that match the search
criteria rather than trying to start at the last matched item.
* Remove unused searching methods from sheet path and sheet path list
objects.
* Add replace and replace all functionality to Eeschema find dialog.
* Push matching methods down to EDA_ITEM class so they can be used by
other derived objects.
* Add method to EDA_ITEM to test if item supports replacing.
* Add flag to find/replace data to support replace feature.
* Disable wild card matching check box when dialog is in replace mode as
wild card replacement is not supported at this time.
* The usual Doxygen comment and coding policy fixes.
* Change all code references to pin sheet and sheet label to sheet pin to
more closely match the sheet pin object for improved code readability.
* Change menu and tool bar text from pin sheet to sheet pin for improved
user readability.
* Moved sheet pin place method to sheet pin object source file.
* Move last sheet pin stored state information into schematic frame object.
* Add Doxygen comments for the sheet pin editing methods.
* Change default build to enable wxDC zooming.
* Move sheet label find function into SCH_SCREEN object.
* Move draw screen items function into SCH_SCREEN object.
* Remove redundant page print method from SCH_EDIT_FRAME.
* Add method to hit test for all items in SCH_SCREEN.
* Add method for testing if junction is required in SCH_SCREEN.
* Fix Doxygen waring in help_common_strings.h
jean-pierre charras
Wayne Stambaugh
Fabrizio