BIF_interface.h
----------------
line 85-90	added uiDefIconTextBut functions stuff
line 102	added uiDefIconBlockBut function stuff


interface.h
----------------
line 102-105	added defs for icons and their alignment (right aligned icons not implemented yet)
line 123	added UI_EMBOSSA def


interface.c
----------------
line 384-432	modified ui_draw_icon to include left aligned icon conditions

line 499-566	added ui_emboss_A to simulate iconrow arrows on a normal EMBOSSX button

line 754-802	modified ui_draw_but_BUT to include icon drawing conditions
line 804-911	modified ui_draw_but_TOG3 to include icon drawing conditions
line 974-1061	modified ui_draw_but_BUTM to include icon drawing conditions
line 1063-1111	modified ui_draw_but_LABEL to include icon drawing conditions

line 4109	added line to make UI_EMBOSSA use the ui_emboss_A func

line 4187-4216	added stuff for new uiDefIconTextBut functions

line 4331-4342	added stuff for new uiDefIconBlockBut function


headerbuttons.c
----------------
line 230-233	added define #EXPERIMENTAL_WINDOW_TYPE_MENUS

line 3321-3441	function do_hdr_spacemenu -> chooses a new window type based on menu selection
		uiBlock hdr_spacemenu -> lays out the menu options using uiDefIconTextButs.

line 3610-3616	window type menu for info header
line 3687-3693	window type menu for seq header
line 4035-4041	window type menu for nla header
line 4091-4097	window type menu for action header
line 4143-4149	window type menu for view3d header
line 4419-4425	window type menu for ipo header
line 4801-4807	window type menu for buts header
line 5051-5057	window type menu for filesel header
line 5168-5174	window type menu for oops header
line 5354-5369	window type menu for text header
line 5620-5624	window type menu for sound header
line 5968-5974	window type menu for image header
line 6092-6098	window type menu for imasel header