* Add item clarification context menu to EESchema when multiple unresolved
items are found at the current cross hair position.
* Add collector class SCH_COLLECTOR for supporting multiple item hit testing.
* Removed bit wise masked filtering from schematic item hit testing.
* Removed all old hit testing functions and methods scattered about the
EESchema source code.
* Move terminal point test function into SCH_SCREEN object.
* Fixed bug in terminal point test when terminating a bus to a label.
* Define the < operator for sorting schematic items.
* Add area calculation method to EDA_Rect item.
* Add method for returning an item's bitmap for menu display purposes.
* Add method for returning an item's menu text for menu display purposes.
* Changed EDA_ITEMS container from boost::ptr_vector to std::vector.
* Factor coordinate string conversion code from EDA_DRAW_FRAME to function
CoordinateToString().
* 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.
Use non translated fields names in intermediate netlist file because they are keyword in this file.
Change intermediate netlist file extension from .tmp to .xml
* Move schematic wire and bus break code into schematic screen object.
* Move schematic test for dangling ends into schematic screen object.
* Remove left over debugging output in schematic screen object.
* Remove unused file eeschema/cleanup.cpp.
* Fix bug in schematic line object hit test algorithm.
* Fix a string concatenation compile error added in r2752.
* Rename class WinEDA_BasicFrame to EDA_BASE_FRAME.
* Rename class WinEDA_DrawFrame to EDA_DRAW_FRAME.
* Rename class WinEDA_DrawPanel to EDA_DRAW_PANEL.
* Fix bug that prevented component from being replaced in library when
the component root name was changed.
* Fix drawing bug when changing text or field item string while move in
progress.
* Fix drawing bug when rotating text item while move in progress.
* Prevent undo or redo when editing a component draw item.
* Fix assert bug when replacing component in library when the component
root name was changed.
* Fix bug in field editor caused by new root alias implementation that
prevented any field from being changed.
* Fix minor spacing issues with EESchema find dialog.
* Deprecate remaining internal linked list code from component library
objects.
* Rename pin object files to match new library object file naming
scheme.
* Move LIB_TEXT object definition into it's own header file.