* libnautilus-extensions/nautilus-scalable-font.c:
	(nautilus_scalable_font_draw_text),
	(nautilus_scalable_font_measure_text_lines),
	(nautilus_scalable_font_draw_text_lines):
	* libnautilus-extensions/nautilus-scalable-font.h:
	Change text rendering api to take in x,y coordinates along with a
	clip_area.

	Remove some #if 0 code i left in before.

	Also change the text lines rendering api to optionally do its own
	line measuring - for the convenience of the caller.

	* libnautilus-extensions/nautilus-label.c: (render_buffer_pixbuf):
	Update for text rendering changes.
	Fix the justification bug.
	Fix the multiple newlines bug.

	* src/nautilus-about.c: (draw_aa_string):
	Update for text rendering changes.

	* src/nautilus-sidebar-tabs.c: (draw_one_tab_plain),
	(draw_one_tab_themed):
	Update for text rendering changes.

	* test/test-nautilus-font.c: (main):
	Update for text rendering changes.
	Also add multiple new lines test and clipping test.

	* test/test-nautilus-label.c: (main):
	Update for text rendering changes.