[PATCH] kernel Doc/ URL corrections

Correct lots of URLs in Documentation/ Also a few minor whitespace cleanups
and typo/spello fixes.  Sadly there are still a lot of bad URLs remaining.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Documentation/power/pci.txt

@@ -335,5 +335,5 @@ this on the whole.
 PCI Local Bus Specification 
 PCI Bus Power Management Interface Specification
 
-  http://pcisig.org
+  http://www.pcisig.com