test_fetch_all modified so we can ignore legit errors for NoSuchProcess or AccessDenied. Also check to make sure *all* processes aren't getting NoSuchProcess/AccessDenied just in the event something breaks all process data collection, so we don't swallow an obvious "all processes failed" error. 
test_fetch_all modified so we can ignore legit errors for NoSuchProcess or
AccessDenied. Also check to make sure *all* processes aren't getting NoSuchProcess/AccessDenied just in the event something breaks all process data collection, so we don't swallow an obvious "all processes failed" error. 



git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@206 d8a29897-7e4b-0410-a74a-8bb4c295346f

elventear/psutil,elventear/psutil