* Add get and set position methods to all schematic items.
* Encapsulate schematic item position members.
* Add swap data method to schematic items that lacked one.
* Remove global swap data function used by undo and redo functions.
* Unify as many schematic move methods as possible.
* Remove unnecessary place schematic item methods.
* All schematic items are now moved in the same event handler.
* Fixed bug in hierarchical sheet get menu item string method.
* Make no connect and junction items movable, fixes lp:804048
* Correct all user strings and comments for the correct capitalization of
application names according to JP. They are KiCad, Pcbnew, CvPcb,
Eeschema, and GerbView.
* Add a note the the user interface policy about the correct capitalization.
Eeschema:
* Graphic texts ans labels: fix fully broken undo/redo code relative to the way undo/redo command
* handles changes (maintly move) for labels
* Fix minor bug for undo command relative to block rotate
* Remove dead code.
* Add new class BITMAP_BASE, and (for Eeschema) SCH_BITMAP to handle bitmap images in schematic.
Remember plot Bitmaps in not possble with all plotters.
Wayne Stambaugh
jean-pierre charras