add get_focus_widgets container method
---
 urwid/container.py |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)
copy get_focus_widgets() docs into manual
pep8 fixes for graphics.py
Retry setup without C extension if building it failed.
---
 setup.py |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
Broke tests out into individual test files.
fix test_suite for split up test files
setup.py: missing traceback import, skip retry when testing
test showing Columns.move_cursor_to_coords not handling left/right
fix for Columns.move_cursor_to_coords not handling left/right
second fix for Columns.move_cursor_to_coords

--HG--
extra : transplant_source : %FB%12%87%29d%C0%F8%7D/%C2%1C%05T%DCW%84MjEr
Merge branch 'master' of git://github.com/wardi/urwid

Conflicts:
	setup.py