Add some missing files and better DRC test

Please add newer entries at the top, list the date and your name with 

email address.

2007-Jul-30 UPDATE   Jean-Pierre Charras <jean-pierre.charras@inpg.fr>

================================================================================

+ pcbnew

	Some file are added (missing .prj files)

	Better Drc test:

		Zones can be tested.

		better pad to pad test.

2007-Jul-25 UPDATE   Jean-Pierre Charras <jean-pierre.charras@inpg.fr>

================================================================================

	** Some minor enhancements

COMMON_GLOBL wxString g_BuildVersion

#ifdef EDA_BASE

	(wxT("(2007-07-24)"))

	(wxT("(2007-07-30)"))

#endif

;

#define	NEGATE_AND_NORMALIZE_ANGLE_POS(Angle) \

	{ Angle = - Angle; while (Angle < 0) Angle += 3600; while (Angle >= 3600) Angle -= 3600; }

/* Normalize angle to be in the -90.0 .. 90.0 range */

#define	NORMALIZE_ANGLE_90(Angle)	{ while (Angle < -900) Angle += 1800; \

				  while (Angle > 900) Angle -= 1800; }

/* exchange 2 donnees */

#define EXCHG(a,b) { typeof(a) __temp__ = (a); (a) = (b); (b) = __temp__; }

	MODULE * ListAndSelectModuleName(void);

	void Liste_Equipot(wxCommandEvent & event);

	void Swap_Layers(wxCommandEvent & event);

	int Test_DRC(wxDC * DC);

	int Test_DRC(wxDC * DC, bool TestPad2Pad, bool TestZone);

	void Install_Test_DRC_Frame(wxDC * DC);

	void Trace_Pcb(wxDC * DC, int mode);

	void Trace_PcbEdges(wxDC * DC, int mode_color);

	void Erase_Pistes(wxDC * DC, int masque_type, bool query);

	void Erase_Modules(wxDC * DC, bool query);

	void Erase_Textes_Pcb(wxDC * DC, bool query);

	void Erase_Marqueurs(wxDC * DC, bool query);

	void Erase_Marqueurs(void);

	void UnDeleteItem(wxDC * DC);

	void RemoveStruct(EDA_BaseStruct * Item, wxDC * DC);

	void Via_Edit_Control(wxDC * DC, int command_type, SEGVIA * via);